Alert archive / Iowa / Severe Thunderstorm Warnings in 2008

Severe Thunderstorm Warning 196, NWS Des Moines, IA

June 8, 20085 counties in Iowa

NWS Des Moines, IA issued this severe thunderstorm warning at Jun 8, 2008, 4:44 PM CDT for 5 counties in Iowa. It was in force for 24 min. 2 reports came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued: Jun 8, 2008, 4:44 PM CDT (21:44 UTC)
Expired: Jun 8, 2008, 5:08 PM CDT
In force: 24 min
Issued by: NWS Des Moines, IA
Area: Storm-based polygon

Counties Clarke County, IA, Lucas County, IA, Madison County, IA, Marion County, IA, Warren County, IA

The radar

The Des Moines radar (KDMX), 39 km from the middle of the area, began a volume at 22:01 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

What was reported inside it

Time	Report	Where	Remark
Jun 8, 5:04 PM CDT	TSTM WND GST 70	3 Se Hartford, IA
Jun 8, 5:05 PM CDT	TSTM WND DMG	4 Nnw Pleasantville, IA	TWO POWER POLES BLOWN DOWN.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

Did it verify

Verified. The Iowa Environmental Mesonet's Cow matched 2 storm reports to this severe thunderstorm warning; the first came 20 minutes after it went out.

Cow counts a report within 15 km of the polygon while the warning was in force: a tornado for a tornado warning; hail of 1 inch or more, a gust of 58 mph or more or wind damage for a severe thunderstorm warning; a flash flood report for a flash flood warning.

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
Jun 8, 1:21 PM CDT	Tornado Watch	SPC	7 hr

The nearest sounding before it

Omaha, NE (KOAX), launched 12:00Z, 9.7 hours before the alert went out and 239 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

Mixed-layer CAPE: 76 J/kg
Mixed-layer CIN: -435 J/kg
Mixed-layer LCL: 823 m above ground
0-6 km bulk shear: 70 kt
0-1 km storm-relative helicity: 14 m²/s²
0-3 km storm-relative helicity: 41 m²/s²
Significant tornado parameter: 0.0
Supercell composite: -0.8

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
WUUS53 KDMX 082144
SVRDMX
IAC039-117-121-125-181-082230-
/O.NEW.KDMX.SV.W.0196.080608T2144Z-080608T2230Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE DES MOINES IA
444 PM CDT SUN JUN 8 2008

THE NATIONAL WEATHER SERVICE IN DES MOINES HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTHERN CLARKE COUNTY IN SOUTH CENTRAL IOWA...
  NORTHWESTERN LUCAS COUNTY IN SOUTH CENTRAL IOWA...
  EASTERN MADISON COUNTY IN SOUTH CENTRAL IOWA...
  NORTHWESTERN MARION COUNTY IN SOUTH CENTRAL IOWA...
  WARREN COUNTY IN SOUTH CENTRAL IOWA...

* UNTIL 530 PM CDT.

* AT 442 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING DESTRUCTIVE WINDS IN
  EXCESS OF 70 MPH.  THIS STORM WAS LOCATED NEAR ST. MARYS...OR 21
  MILES SOUTH OF DES MOINES...AND MOVING NORTHEAST AT 51 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  MARTENSDALE BY 445 PM CDT...
  INDIANOLA AND SPRING HILL BY 450 PM CDT...
  ACKWORTH AND MILO BY 455 PM CDT...
  SANDYVILLE AND CARLISLE BY 500 PM CDT...
  HARTFORD BY 505 PM CDT...
  SWAN BY 510 PM CDT...

THIS INCLUDES INTERSTATE 35 BETWEEN MILE MARKERS 37 AND 66.

PREPARE FOR DAMAGING WINDS...FALLING TREES AND FLYING DEBRIS. MOVE
INDOORS AND STAY AWAY FROM WINDOWS. IF YOU LIVE IN A MOBILE HOME...
SEEK SHELTER IN A STURDY BUILDING.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 800 PM CDT SUNDAY EVENING FOR
SOUTHWESTERN IOWA.

SEVERE THUNDERSTORMS CAN PRODUCE TORNADOES WITH LITTLE OR NO WARNING.
ALTHOUGH NOT IMMEDIATELY LIKELY...IF A TORNADO IS SPOTTED ACT QUICKLY
AND MOVE TO A PLACE OF SAFETY INSIDE A STURDY STRUCTURE...SUCH AS A
BASEMENT OR SMALL INTERIOR ROOM.

LAT...LON 4151 9381 4151 9343 4149 9340 4149 9333
      4150 9333 4151 9330 4151 9323 4107 9354
      4106 9394
TIME...MOT...LOC 2144Z 236DEG 45KT 4130 9365

$$

DONAVON

2 follow-up statements

000 
WWUS53 KDMX 082159
SVSDMX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE DES MOINES IA
500 PM CDT SUN JUN 8 2008

IAC039-117-121-082210-
/O.CAN.KDMX.SV.W.0196.000000T0000Z-080608T2230Z/
LUCAS IA-CLARKE IA-MADISON IA-
500 PM CDT SUN JUN 8 2008

...THE SEVERE THUNDERSTORM WARNING FOR EASTERN MADISON...NORTHERN
CLARKE AND NORTHWESTERN LUCAS COUNTIES IS CANCELLED...

AT 456 PM CDT...WEATHER SERVICE DOPPLER RADAR INDICATED THAT THE
THUNDERSTORMS WHICH PROMPTED THE WARNING HAVE EITHER WEAKENED OR
MOVED OUT OF THE AREA...AND NO LONGER POSE AN IMMEDIATE THREAT TO
LIFE OR PROPERTY. THEREFORE...THE SEVERE THUNDERSTORM WARNING HAS
BEEN CANCELLED.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 1100 PM CDT SUNDAY EVENING 
FOR SOUTHEASTERN IOWA. A TORNADO WATCH ALSO REMAINS IN EFFECT UNTIL 
800 PM CDT SUNDAY EVENING FOR SOUTHWESTERN IOWA.

LAT...LON 4117 9358 4151 9350 4151 9343 4149 9340
      4149 9333 4150 9333 4151 9330 4151 9323
      4116 9347
TIME...MOT...LOC 2200Z 254DEG 51KT 4134 9333

$$

IAC125-181-082230-
/O.CON.KDMX.SV.W.0196.000000T0000Z-080608T2230Z/
MARION IA-WARREN IA-
500 PM CDT SUN JUN 8 2008

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 530 PM CDT
FOR EASTERN WARREN AND NORTHWESTERN MARION COUNTIES...

AT 456 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING DESTRUCTIVE WINDS
IN EXCESS OF 70 MPH.  THIS STORM WAS LOCATED NEAR SANDYVILLE...OR 21
MILES SOUTHEAST OF DES MOINES...MOVING EAST AT 59 MPH.

FOR YOUR PROTECTION GO TO THE BASEMENT OR AN INTERIOR ROOM ON THE
LOWEST FLOOR OF YOUR HOME OR BUSINESS. THIS STORM HAS THE POTENTIAL
TO CAUSE SERIOUS INJURY AND SIGNIFICANT DAMAGE TO PROPERTY.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 800 PM CDT SUNDAY EVENING FOR
SOUTHWESTERN IOWA.

LAT...LON 4117 9358 4151 9350 4151 9343 4149 9340
      4149 9333 4150 9333 4151 9330 4151 9323
      4116 9347
TIME...MOT...LOC 2200Z 254DEG 51KT 4134 9333

$$

DONAVON

000 
WWUS53 KDMX 082208
SVSDMX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE DES MOINES IA
509 PM CDT SUN JUN 8 2008

IAC125-181-082219-
/O.CAN.KDMX.SV.W.0196.000000T0000Z-080608T2230Z/
MARION IA-WARREN IA-
509 PM CDT SUN JUN 8 2008

...THE SEVERE THUNDERSTORM WARNING FOR EASTERN WARREN AND
NORTHWESTERN MARION COUNTIES IS CANCELLED...

AT 506 PM CDT...WEATHER SERVICE DOPPLER RADAR INDICATED THAT THE
THUNDERSTORMS WHICH PROMPTED THE WARNING HAVE EITHER WEAKENED OR
MOVED OUT OF THE AREA...AND NO LONGER POSE AN IMMEDIATE THREAT TO
LIFE OR PROPERTY. THEREFORE...THE SEVERE THUNDERSTORM WARNING HAS
BEEN CANCELLED.

REPORT TORNADOES...WIND IN EXCESS OF 50 MPH...HAIL LARGER THAN ONE
HALF INCH...OR STORM DAMAGE BY CALLING LOCAL LAW ENFORCEMENT AND
ASKING THEM TO RELAY THE REPORT TO THE NATIONAL WEATHER SERVICE.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 800 PM CDT SUNDAY EVENING FOR
SOUTHWESTERN IOWA.

LAT...LON 4117 9358 4151 9350 4151 9343 4149 9340
      4149 9333 4150 9333 4151 9330 4151 9323
      4116 9347
TIME...MOT...LOC 2209Z 254DEG 51KT 4137 9316

$$

MOYER

What forecasters said that day

The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Des Moines, IA wrote its last area forecast discussion before this severe thunderstorm warning went out at Jun 8, 3:17 PM CDT, 1 hour 27 minutes earlier.

Area forecast discussion, Jun 8, 3:17 PM CDT, 1 hour 27 minutes before

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE DES MOINES IA
317 PM CDT SUN JUN 8 2008

.DISCUSSION...
ONGOING WEATHER THE MAIN ISSUES THIS FCST PERIOD. HAVE EXTENDED THE
FLASH FLOOD WATCH FOR PORTIONS OF CENTRAL IA AND HAVE ADDED
SOUTHEAST SECTIONS THROUGH 12Z. SVR THREAT WILL BE MAINLY SMALL HAIL
AND WITH HIGH SRH OVER THE SOUTH...SOME TORNADO THREAT THIS EVENING.
RAINFALL WITH THE LATEST STORMS ADDING ONE TO TWO INCHES IN SOME
CASES WHICH WILL PUSH RIVERS HIGHER AND CONTINUE TO AGGRAVATE COUNTY
WIDE FLOODING AS WELL. FRONT AND LOW EXPECTED TO MOVE EAST SOUTHEAST
TONIGHT WITH RAINFALL LESSENING OVER THE AREA FROM NW TO SE. BY
MORNING A THIRD WAVE APPROACHES WITH HEAVY RAINFALL PSBL OVER THE
FAR SOUTHEAST. TEMPS WILL REACH THE MID 70S MONDAY BEFORE ANOTHER
STORM ARRIVES TOWARD MIDWEEK. THE BEST NEWS IS THAT WE MAY SEE 24 TO
36 HOURS OF QUIETER WX BEFORE THE NEXT SYSTEM BRINGS MORE RAIN AND
SVR THREAT TO THE REGION WED AFTERNOON THROUGH FRIDAY. HYDRO
CONCERNS ONGOING AND WILL WITH US UNTIL THIS PATTERN BREAKS.
&&

.AVIATION...08/18Z
WILL NOT BE ADDING TO THE CURRENT DISCUSSION DUE TO TIME CONCERNS...
OTHER THAN SLOW IMPROVEMENT ACROSS THE NORTH LATE THIS AFTERNOON/TNT
AS THE MAIN AREA OF THUNDER/IFR CONDITIONS BEGIN TO SHIFT SOUTH WITH
TIME. BY 12Z MON...KOTM WILL CONTINUE TO HAVE SOME MVFR/IFR
CONDITIONS WITH REMAINDER OF SITES TRANSITIONING TO VFR.

PREVIOUS...EXPECT PROLONGED THUNDERSTORM EVENT OF VARIED INTENSITIES
THROUGH MUCH OF SUN AFFECTING FOD/MCW/ALO INITIALLY AND THEN
GRADUALLY WORKING TOWARDS DSM/OTM.  COULD VERY WELL SEE IFR OR LOWER
CONDITIONS...BUT HAVE BROAD BRUSHED MVFR FOR STARTERS WITH TIMING OF
LOWER CONDITIONS VERY DIFFICULT TO TIME.  CONDITIONS SHOULD IMPROVE
BY LATE AFTERNOON INTO THE EVENING FROM NW TO SE.

&&

.DMX...FLASH FLOOD WATCH ALONG AND SE OF A POCAHONTAS...BRITT...TO
MASON CITY LINE TO 00Z AND SE OF A CHARITON...NEWTON...MARSHALLTOWN
TO GRUNDY CENTER...PARKERSBURG LINE TO 12Z.
&&

REV

Hazardous weather outlook, Jun 8, 1:01 PM CDT, 3 hours 43 minutes before

HAZARDOUS WEATHER OUTLOOK...UPDATED
NATIONAL WEATHER SERVICE DES MOINES IA
101 PM CDT SUN JUN 8 2008

IAZ004>007-015>017-023>028-033>039-044>050-057>062-070>074-
081>084-092>094-091100-
EMMET-KOSSUTH-WINNEBAGO-WORTH-PALO ALTO-HANCOCK-CERRO GORDO-
POCAHONTAS-HUMBOLDT-WRIGHT-FRANKLIN-BUTLER-BREMER-SAC-CALHOUN-
WEBSTER-HAMILTON-HARDIN-GRUNDY-BLACK HAWK-CRAWFORD-CARROLL-GREENE-
BOONE-STORY-MARSHALL-TAMA-AUDUBON-GUTHRIE-DALLAS-POLK-JASPER-
POWESHIEK-CASS-ADAIR-MADISON-WARREN-MARION-ADAMS-UNION-CLARKE-
LUCAS-TAYLOR-RINGGOLD-DECATUR-
101 PM CDT SUN JUN 8 2008

THIS HAZARDOUS WEATHER OUTLOOK IS FOR MUCH OF SOUTHWEST...CENTRAL
AND NORTHERN IOWA.

.DAY ONE...THIS AFTERNOON AND TONIGHT

ANOTHER ROUND OF THUNDERSTORMS CONTINUES TO DEVELOP ACROSS THE
REGION THIS AFTERNOON. SOME STORMS SOUTH OF HIGHWAY 30 MAY BE SEVERE
WITH LARGE HAIL AND DAMAGING WINDS AND A THREAT FOR ISOLATED
TORNADOES. HEAVY RAINS MAY OCCUR AGAIN TOO WITH FLASH FLOODING
POSSIBLE WITH ANY STORMS WHICH DO DEVELOP ACROSS THE REGION.

A FLASH FLOOD WATCH...RIVER FLOOD WARNINGS...AND FLOOD WARNINGS ARE
IN EFFECT FOR THE AREA. PLEASE REFER TO THE NATIONAL WEATHER SERVICE
WEBSITE AT WEATHER.GOV/DESMOINES FOR ADDITIONAL DETAILS.

.DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY

THUNDERSTORMS ARE ALSO EXPECTED ON MONDAY OVER SOUTHEAST IOWA
WITH THE POTENTIAL FOR MORE SEVERE WEATHER AND HEAVY RAINS.
RELATIVELY LOW CHANCES FOR THUNDERSTORMS CONTINUE FOR TUESDAY AND
WEDNESDAY...HOWEVER BY AROUND THURSDAY THERE MAY BE ANOTHER
PERIOD WITH STRONGER STORMS AND POTENTIALLY SEVERE WEATHER AND
HEAVY RAINS.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION MAY BE NEEDED THROUGH MONDAY...AND AGAIN AROUND
THURSDAY.

IAZ075-085-086-095>097-091100-
MAHASKA-MONROE-WAPELLO-WAYNE-APPANOOSE-DAVIS-
101 PM CDT SUN JUN 8 2008

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF SOUTHEAST IOWA.

.DAY ONE...TODAY AND TONIGHT

ANOTHER ROUND OF THUNDERSTORMS CONTINUES TO DEVELOP ACROSS THE
REGION THIS AFTERNOON. SOME STORMS MAY BE SEVERE WITH LARGE HAIL AND
DAMAGING WINDS AND A THREAT FOR ISOLATED TORNADOES. HEAVY RAINS MAY
OCCUR AGAIN TOO WITH FLASH FLOODING POSSIBLE WITH ANY STORMS WHICH
DO DEVELOP ACROSS THE REGION

.DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY

THUNDERSTORMS ARE ALSO EXPECTED ON MONDAY WITH THE POTENTIAL FOR
MORE SEVERE WEATHER AND HEAVY RAINS.  RELATIVELY LOW CHANCES FOR
THUNDERSTORMS CONTINUE FOR TUESDAY AND WEDNESDAY...HOWEVER BY
AROUND THURSDAY THERE MAY BE ANOTHER PERIOD WITH STRONGER STORMS
AND POTENTIALLY SEVERE WEATHER AND HEAVY RAINS.

RIVER FLOOD WARNINGS...AND FLOOD WARNINGS ARE IN EFFECT FOR THE
AREA. PLEASE REFER TO THE NATIONAL WEATHER SERVICE WEBSITE AT
WEATHER.GOV/DESMOINES FOR ADDITIONAL DETAILS.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION MAY BE NEEDED THROUGH MONDAY...AND AGAIN AROUND
THURSDAY.

SMALL/REV

In the hours before

Local storm report, Jun 8, 4:07 PM CDT, 37 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE DES MOINES IA
407 PM CDT SUN JUN 08 2008

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0405 PM     FLOOD            GREENE                  42.90N 92.80W
06/08/2008                   BUTLER             IA   TRAINED SPOTTER

            SEVERE FLOODING SHELL ROCK FLOODING INTO DOWNTOWN GREENE.

&&

DEROY

Local storm report, Jun 8, 4:12 PM CDT, 32 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE DES MOINES IA
412 PM CDT SUN JUN 08 2008

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0411 PM     FLOOD            4 WSW MINBURN           41.73N 94.11W
06/08/2008                   DALLAS             IA   EMERGENCY MNGR

            AT 210TH. ST. AND J AVENUE WATER OVER ROADWAY.

&&

DEROY

Local storm report, Jun 8, 4:14 PM CDT, 30 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE DES MOINES IA
414 PM CDT SUN JUN 08 2008

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0342 PM     TSTM WND DMG     4 SE PRESCOTT           40.98N 94.57W
06/08/2008                   ADAMS              IA   STORM CHASER

            SEMI TRUCK BLOWN OFF ROAD

&&

RDONAVON

Local storm report, Jun 8, 4:15 PM CDT, 29 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE DES MOINES IA
415 PM CDT SUN JUN 08 2008

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0413 PM     FLASH FLOOD      1 E ANITA               41.44N 94.75W
06/08/2008                   CASS               IA   EMERGENCY MNGR

            WATER OVER THE ROAD EAST OF ANITA ON G30.

&&

COGIL

Local storm report, Jun 8, 4:27 PM CDT, 17 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE DES MOINES IA
427 PM CDT SUN JUN 08 2008

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0419 PM     TORNADO          1 SSW FERGUSON          41.92N 92.87W
06/08/2008                   MARSHALL           IA   BROADCAST MEDIA

            POLE SHED COMPLETELY DESTROYED.

&&

DEROY

Local storm report, Jun 8, 4:33 PM CDT, 11 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE DES MOINES IA
433 PM CDT SUN JUN 08 2008

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0429 PM     TORNADO          4 S HAVERHILL           41.89N 92.96W
06/08/2008                   MARSHALL           IA   BROADCAST MEDIA

            TORNADO ON THE GROUND...RELAYED BY KCCI TV FROM PUBLIC
            REPORT.

&&

RVACHALE

The office that day

Everything else NWS Des Moines, IA issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jun 7, 7:14 PM CDT	Tornado Warning	DMX	Humboldt, Webster, Wright	46 min
Jun 7, 7:15 PM CDT	Tornado Warning	DMX	Hamilton, Webster, Wright	45 min
Jun 7, 7:32 PM CDT	Flash Flood Warning	DMX	Crawford	6 hr
Jun 7, 7:32 PM CDT	Severe Thunderstorm Warning	DMX	Crawford, Sac	58 min
Jun 7, 7:41 PM CDT	Flash Flood Warning	DMX	Webster	6 hr
Jun 7, 8:03 PM CDT	River Flood Warning	DMX	Story	9 hr
Jun 7, 8:03 PM CDT	River Flood Warning	DMX	Story	9 hr
Jun 7, 8:17 PM CDT	Severe Thunderstorm Warning	DMX	Franklin, Wright	20 min
Jun 7, 8:23 PM CDT	Flash Flood Warning	DMX	Wright	12 hr
Jun 7, 9:20 PM CDT	Flash Flood Warning	DMX	Franklin, Hamilton, Hardin	6 hr
Jun 7, 9:24 PM CDT	River Flood Warning	DMX	Wapello	62 days
Jun 7, 9:24 PM CDT	River Flood Warning	DMX	Emmet	14 days
Jun 7, 9:24 PM CDT	River Flood Warning	DMX	Hamilton, Webster	6 days
Jun 7, 9:24 PM CDT	River Flood Warning	DMX	Polk	8 hr
Jun 7, 9:32 PM CDT	River Flood Warning	DMX	Black Hawk, Bremer	9 days
Jun 7, 9:55 PM CDT	Flash Flood Warning	DMX	Black Hawk, Bremer, Butler, Grundy	6 hr
Jun 7, 10:05 PM CDT	Severe Thunderstorm Warning	DMX	Black Hawk, Tama	29 min
Jun 7, 10:23 PM CDT	Areal Flood Warning	DMX	Worth	12 hr
Jun 7, 11:13 PM CDT	Severe Thunderstorm Warning	DMX	Palo Alto	33 min
Jun 7, 11:21 PM CDT	Severe Thunderstorm Warning	DMX	Black Hawk	39 min
Jun 7, 11:27 PM CDT	Flash Flood Warning	DMX	Carroll	6 hr
Jun 7, 11:59 PM CDT	Flash Flood Warning	DMX	Winnebago, Worth	6 hr
Jun 8, 12:32 AM CDT	Severe Thunderstorm Warning	DMX	Franklin, Hamilton, Hardin, Wright	43 min
Jun 8, 12:44 AM CDT	Tornado Warning	DMX	Franklin, Wright	31 min
Jun 8, 12:48 AM CDT	Areal Flood Warning	DMX	Calhoun, Pocahontas, Sac	13 hr
Jun 8, 1:08 AM CDT	Severe Thunderstorm Warning	DMX	Butler, Franklin, Grundy, Hardin	52 min
Jun 8, 1:27 AM CDT	Flash Flood Warning	DMX	Crawford	6 hr
Jun 8, 1:43 AM CDT	Flash Flood Warning	DMX	Webster	6 hr
Jun 8, 1:48 AM CDT	Severe Thunderstorm Warning	DMX	Black Hawk, Bremer, Butler	42 min
Jun 8, 3:18 AM CDT	Severe Thunderstorm Warning	DMX	Carroll, Crawford	42 min
Jun 8, 3:30 AM CDT	Flash Flood Warning	DMX	Franklin, Hamilton, Hardin	6 hr
Jun 8, 3:37 AM CDT	Severe Thunderstorm Warning	DMX	Adair, Adams, Cass	53 min
Jun 8, 3:51 AM CDT	Areal Flood Advisory	DMX	Humboldt	6 hr
Jun 8, 4:36 AM CDT	Areal Flood Warning	DMX	Cerro Gordo, Hancock	6 hr
Jun 8, 5:27 AM CDT	Areal Flood Warning	DMX	Carroll	12 hr
Jun 8, 5:40 AM CDT	Areal Flood Warning	DMX	Winnebago	12 hr
Jun 8, 6:06 AM CDT	Severe Thunderstorm Warning	DMX	Jasper, Polk, Story	24 min
Jun 8, 6:26 AM CDT	Severe Thunderstorm Warning	DMX	Madison, Warren	21 min
Jun 8, 6:37 AM CDT	Areal Flood Advisory	DMX	Boone, Dallas, Jasper, Marshall, Polk, Story	3 hr
Jun 8, 7:06 AM CDT	Areal Flood Advisory	DMX	Black Hawk, Bremer, Butler, Grundy	3 hr
Jun 8, 7:14 AM CDT	Severe Thunderstorm Warning	DMX	Jasper, Marshall, Tama	46 min
Jun 8, 7:27 AM CDT	Flash Flood Warning	DMX	Boone, Dallas, Polk, Story	6 hr
Jun 8, 7:31 AM CDT	Flash Flood Warning	DMX	Jasper, Marshall	6 hr
Jun 8, 7:35 AM CDT	Areal Flood Warning	DMX	Crawford	12 hr
Jun 8, 7:41 AM CDT	Areal Flood Warning	DMX	Webster	12 hr
Jun 8, 7:58 AM CDT	Areal Flood Advisory	DMX	Madison, Warren	3 hr
Jun 8, 8:17 AM CDT	Areal Flood Warning	DMX	Wright	12 hr
Jun 8, 8:58 AM CDT	River Flood Warning	DMX	Greene	37 hr
Jun 8, 8:58 AM CDT	River Flood Warning	DMX	Polk	7 days
Jun 8, 9:04 AM CDT	Flash Flood Warning	DMX	Cerro Gordo	6 hr
Jun 8, 9:27 AM CDT	River Flood Warning	DMX	Dallas, Polk	37 hr
Jun 8, 9:44 AM CDT	River Flood Warning	DMX	Polk	7 hr
Jun 8, 9:46 AM CDT	River Flood Warning	DMX	Polk	45 hr
Jun 8, 9:59 AM CDT	Flash Flood Warning	DMX	Madison, Warren	6 hr
Jun 8, 10:53 AM CDT	Flash Flood Warning	DMX	Black Hawk	6 hr
Jun 8, 11:22 AM CDT	Areal Flood Warning	DMX	Adair, Audubon, Bremer, Butler, Calhoun, Carroll and 21 more	9 hr
Jun 8, 11:27 AM CDT	River Flood Warning	DMX	Polk	12 days
Jun 8, 12:06 PM CDT	River Flood Warning	DMX	Story	43 hr
Jun 8, 12:06 PM CDT	River Flood Warning	DMX	Story	34 hr
Jun 8, 1:37 PM CDT	Severe Thunderstorm Warning	DMX	Adair, Cass	53 min
Jun 8, 1:42 PM CDT	River Flood Warning	DMX	Madison, Warren	42 hr
Jun 8, 1:45 PM CDT	Areal Flood Warning	DMX	Boone, Dallas, Jasper, Marshall, Polk, Story	6 hr
Jun 8, 1:56 PM CDT	Flash Flood Warning	DMX	Cass	5 hr
Jun 8, 2:03 PM CDT	Flash Flood Warning	DMX	Hancock, Kossuth, Winnebago, Worth	6 hr
Jun 8, 2:22 PM CDT	Severe Thunderstorm Warning	DMX	Greene, Hamilton, Webster	38 min
Jun 8, 2:29 PM CDT	Severe Thunderstorm Warning	DMX	Adair, Cass, Guthrie	46 min
Jun 8, 2:36 PM CDT	Flash Flood Warning	DMX	Adair, Greene, Guthrie, Webster	5 hr
Jun 8, 2:52 PM CDT	Flash Flood Warning	DMX	Cerro Gordo	6 hr
Jun 8, 2:56 PM CDT	Severe Thunderstorm Warning	DMX	Adams, Taylor	49 min
Jun 8, 3:11 PM CDT	Flash Flood Warning	DMX	Boone, Dallas, Hamilton, Wright	5 hr
Jun 8, 3:16 PM CDT	Flash Flood Warning	DMX	Adams, Taylor	4 hr
Jun 8, 3:27 PM CDT	Tornado Warning	DMX	Adams, Ringgold, Taylor	33 min
Jun 8, 3:32 PM CDT	Flash Flood Warning	DMX	Butler	6 hr
Jun 8, 3:48 PM CDT	Flash Flood Warning	DMX	Jasper, Marshall, Tama	4 hr
Jun 8, 4:09 PM CDT	Flash Flood Warning	DMX	Madison, Ringgold, Union	3 hr
Jun 8, 4:15 PM CDT	Tornado Warning	DMX	Marshall, Tama	45 min
Jun 8, 4:22 PM CDT	Severe Thunderstorm Warning	DMX	Lucas, Marion, Warren	38 min
Jun 8, 4:25 PM CDT	Tornado Warning	DMX	Clarke, Madison, Union	20 min
Jun 8, 4:36 PM CDT	Tornado Warning	DMX	Tama	24 min
Jun 8, 4:41 PM CDT	Flash Flood Warning	DMX	Clarke, Lucas, Marion, Warren	3 hr

Nearby

Severe Thunderstorm Warnings in Iowa, 2008 Every severe thunderstorm warning in 2008

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.