Hazardous Weather Outlook for Knoxville, Iowa
Hazardous Weather Outlook
National Weather Service Des Moines IA
739 PM CDT Mon May 6 2024
IAZ023-024-033>036-044>049-057>061-070>075-081>086-092>097-080045-
Pocahontas-Humboldt-Sac-Calhoun-Webster-Hamilton-Crawford-Carroll-
Greene-Boone-Story-Marshall-Audubon-Guthrie-Dallas-Polk-Jasper-
Cass-Adair-Madison-Warren-Marion-Mahaska-Adams-Union-Clarke-Lucas-
Monroe-Wapello-Taylor-Ringgold-Decatur-Wayne-Appanoose-Davis-
739 PM CDT Mon May 6 2024
This Hazardous Weather Outlook is for portions of central Iowa.
.DAY ONE...Tonight
A Tornado Watch is in effect for the area. Please visit the
National Weather Service webstie at weather.gov/desmoines for
additional information.
There is also a slight risk for excessive rainfall, mainly over
the western half of Iowa. Heavy rain could lead to new or renewed
river flooding in some areas, or ponding of water in low lying or
poor drainage areas.
.DAYS TWO THROUGH SEVEN...Tuesday through Sunday
Thunderstorm chances return to the forecast on Wednesday and
Thursday. There may be a low threat of severe weather on
Wednesday, but this will be better assessed in the coming days.
.SPOTTER INFORMATION STATEMENT...
Spotters may be needed this evening into tonight, especially
across the southwest half of Iowa.
Severe Thunderstorm Warning for Knoxville, Iowa
Severe Weather Statement
National Weather Service Des Moines IA
146 AM CDT Tue May 7 2024
IAC007-051-099-117-123-125-135-157-179-185-070730-
/O.CON.KDMX.SV.W.0055.000000T0000Z-240507T0730Z/
Lucas IA-Poweshiek IA-Monroe IA-Davis IA-Marion IA-Wapello IA-
Wayne IA-Mahaska IA-Appanoose IA-Jasper IA-
146 AM CDT Tue May 7 2024
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 230 AM CDT
FOR EASTERN LUCAS...WESTERN POWESHIEK...MONROE...DAVIS...MARION...
WAPELLO...NORTHEASTERN WAYNE...MAHASKA...APPANOOSE AND JASPER
COUNTIES...
At 145 AM CDT, severe thunderstorms were located along a line
extending from near Monroe to Lovilia to Centerville Municipal
Airport, moving east at 50 mph.
HAZARD...60 mph wind gusts and penny size hail.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
Locations impacted include...
Ottumwa, Newton, Oskaloosa, Pella, Grinnell, Knoxville, Centerville,
Albia, Bloomfield, Montezuma, Colfax, Monroe, Pleasantville, Prairie
City, New Sharon, Melcher-Dallas, Eddyville, Ottumwa Industrial
Airport, Lake Sundown, and Rathbun Lake.
This includes Interstate 80 between mile markers 159 and 192.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A Tornado Watch remains in effect until 300 AM CDT for south central,
central and southeastern Iowa.
Remain alert for a possible tornado! Tornadoes can develop quickly
from severe thunderstorms. If you spot a tornado go at once into the
basement or small central room in a sturdy structure.
For your protection move to an interior room on the lowest floor of a
building.
LAT...LON 4058 9310 4163 9332 4186 9270 4151 9234
4151 9241 4116 9241 4116 9218 4060 9218
TIME...MOT...LOC 0645Z 250DEG 45KT 4157 9311 4113 9288 4069 9287
TORNADO...POSSIBLE
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...0.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
Severe Weather Statement for Knoxville, Iowa
Severe Weather Statement
National Weather Service Des Moines IA
146 AM CDT Tue May 7 2024
IAC007-051-099-117-123-125-135-157-179-185-070730-
/O.CON.KDMX.SV.W.0055.000000T0000Z-240507T0730Z/
Lucas IA-Poweshiek IA-Monroe IA-Davis IA-Marion IA-Wapello IA-
Wayne IA-Mahaska IA-Appanoose IA-Jasper IA-
146 AM CDT Tue May 7 2024
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 230 AM CDT
FOR EASTERN LUCAS...WESTERN POWESHIEK...MONROE...DAVIS...MARION...
WAPELLO...NORTHEASTERN WAYNE...MAHASKA...APPANOOSE AND JASPER
COUNTIES...
At 145 AM CDT, severe thunderstorms were located along a line
extending from near Monroe to Lovilia to Centerville Municipal
Airport, moving east at 50 mph.
HAZARD...60 mph wind gusts and penny size hail.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
Locations impacted include...
Ottumwa, Newton, Oskaloosa, Pella, Grinnell, Knoxville, Centerville,
Albia, Bloomfield, Montezuma, Colfax, Monroe, Pleasantville, Prairie
City, New Sharon, Melcher-Dallas, Eddyville, Ottumwa Industrial
Airport, Lake Sundown, and Rathbun Lake.
This includes Interstate 80 between mile markers 159 and 192.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A Tornado Watch remains in effect until 300 AM CDT for south central,
central and southeastern Iowa.
Remain alert for a possible tornado! Tornadoes can develop quickly
from severe thunderstorms. If you spot a tornado go at once into the
basement or small central room in a sturdy structure.
For your protection move to an interior room on the lowest floor of a
building.
LAT...LON 4058 9310 4163 9332 4186 9270 4151 9234
4151 9241 4116 9241 4116 9218 4060 9218
TIME...MOT...LOC 0645Z 250DEG 45KT 4157 9311 4113 9288 4069 9287
TORNADO...POSSIBLE
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...0.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
Tornado Warning for Knoxville, Iowa
Severe Weather Statement
National Weather Service Des Moines IA
138 AM CDT Tue May 7 2024
IAC099-123-125-070700-
/O.CON.KDMX.TO.W.0033.000000T0000Z-240507T0700Z/
Marion IA-Mahaska IA-Jasper IA-
138 AM CDT Tue May 7 2024
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 200 AM CDT FOR MARION...
NORTHWESTERN MAHASKA AND SOUTHERN JASPER COUNTIES...
At 137 AM CDT, a severe thunderstorm capable of producing a tornado
was located near Elk Rock State Park, or 5 miles northwest of
Knoxville, moving northeast at 40 mph.
HAZARD...Tornado.
SOURCE...Radar indicated rotation.
IMPACT...Flying debris will be dangerous to those caught without
shelter. Mobile homes will be damaged or destroyed. Damage
to roofs, windows, and vehicles will occur. Tree damage is
likely.
This dangerous storm will be near...
Lake Red Rock and Elk Rock State Park around 145 AM CDT.
Sully around 200 AM CDT.
Other locations impacted by this tornadic thunderstorm include Elk
Rock State Park, Pella Municipal Airport, Reasnor, Sully, Knoxville
Municipal Airport, and Newton Municipal Airport.
This includes Interstate 80 between mile markers 164 and 172.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.
LAT...LON 4124 9317 4157 9329 4174 9297 4144 9268
TIME...MOT...LOC 0637Z 235DEG 35KT 4139 9315
TORNADO...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
Tornado Watch for Knoxville, Iowa
TORNADO WATCH OUTLINE UPDATE FOR WT 191
NWS STORM PREDICTION CENTER NORMAN OK
730 PM CDT MON MAY 6 2024
TORNADO WATCH 191 IS IN EFFECT UNTIL 300 AM CDT FOR THE
FOLLOWING LOCATIONS
IAC001-003-007-009-015-021-025-027-029-035-039-047-049-051-053-
073-077-079-091-093-099-117-121-123-125-127-135-149-151-153-159-
161-169-173-175-179-181-185-187-193-070800-
/O.NEW.KWNS.TO.A.0191.240507T0030Z-240507T0800Z/
IA
. IOWA COUNTIES INCLUDED ARE
ADAIR ADAMS APPANOOSE
AUDUBON BOONE BUENA VISTA
CALHOUN CARROLL CASS
CHEROKEE CLARKE CRAWFORD
DALLAS DAVIS DECATUR
GREENE GUTHRIE HAMILTON
HUMBOLDT IDA JASPER
LUCAS MADISON MAHASKA
MARION MARSHALL MONROE
PLYMOUTH POCAHONTAS POLK
RINGGOLD SAC STORY
TAYLOR UNION WAPELLO
WARREN WAYNE WEBSTER
WOODBURY