Alert archive / Iowa / Severe Thunderstorm Warnings in 2008

Severe Thunderstorm Warning 340, NWS Des Moines, IA

June 26, 2008Dallas County, Polk County, Iowa

NWS Des Moines, IA issued this severe thunderstorm warning at Jun 26, 2008, 6:46 AM CDT for Dallas County, Polk County, Iowa. It was in force for 44 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
Jun 26, 2008, 6:46 AM CDT (11:46 UTC)
Expired
Jun 26, 2008, 7:30 AM CDT
In force
44 min
Issued by
NWS Des Moines, IA
Area
Storm-based polygon

Counties Dallas County, IA, Polk County, IA

The radar

The Des Moines radar (KDMX), 6 km from the middle of the area, began a volume at 11:46 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.

Did it verify

Not verified. The Iowa Environmental Mesonet's Cow found no qualifying storm report inside this severe thunderstorm warning while it was in force. That is not proof nothing happened: reports are thin where few people live.

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.

IssuedProductOfficeLasted
Jun 26, 6:38 AM CDTSevere Thunderstorm WatchSPC6 hr

The nearest sounding before it

Omaha, NE (KOAX), launched 00:00Z, 11.8 hours before the alert went out and 225 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-pSkew-T log-p diagram, Omaha, NE at 00:00Z on 2008-06-26Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 4603 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Omaha, NE at 00:00Z on 2008-06-26The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 55 square meters per square second.193958Sfc1 km3 km6 km9 kmRMLM
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
4603 J/kg
Mixed-layer CIN
-11 J/kg
Mixed-layer LCL
1165 m above ground
0-6 km bulk shear
15 kt
0-1 km storm-relative helicity
55 m²/s²
0-3 km storm-relative helicity
114 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

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

000 
WUUS53 KDMX 261146
SVRDMX
IAC049-153-261230-
/O.NEW.KDMX.SV.W.0340.080626T1146Z-080626T1230Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE DES MOINES IA
646 AM CDT THU JUN 26 2008

THE NATIONAL WEATHER SERVICE IN DES MOINES HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTHEASTERN DALLAS COUNTY IN CENTRAL IOWA...
  NORTHWESTERN POLK COUNTY IN CENTRAL IOWA...

* UNTIL 730 AM CDT.

* AT 641 AM CDT...TRAINED WEATHER SPOTTERS REPORTED A SEVERE
  THUNDERSTORM CAPABLE OF PRODUCING PENNY SIZE HAIL.  THIS STORM WAS
  LOCATED NEAR GRANGER...OR 17 MILES NORTHWEST OF DES MOINES...AND
  MOVING SOUTHEAST AT 16 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  POLK CITY BY 700 AM CDT...
  JOHNSTON AND ALLEMAN BY 710 AM CDT...
  ALLEMAN BY 715 AM CDT...
  ANKENY AND SAYLORVILLE BY 725 AM CDT...

THIS INCLUDES INTERSTATE 80 BETWEEN MILE MARKERS 132 AND 137.

MOVE TO AN INTERIOR ROOM AND STAY AWAY FROM WINDOWS. IF YOU LIVE IN A
MOBILE HOME...SEEK SHELTER IN A STURDY BUILDING.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 100 PM CDT
THURSDAY AFTERNOON FOR IOWA.

LAT...LON 4186 9359 4163 9358 4171 9396 4186 9397
TIME...MOT...LOC 1146Z 297DEG 14KT 4177 9379

$$

VACHALEK
2 follow-up statements
000 
WWUS53 KDMX 261205
SVSDMX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE DES MOINES IA
705 AM CDT THU JUN 26 2008

IAC049-153-261230-
/O.CON.KDMX.SV.W.0340.000000T0000Z-080626T1230Z/
POLK IA-DALLAS IA-
705 AM CDT THU JUN 26 2008

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 730 AM CDT
FOR NORTHEASTERN DALLAS AND NORTHWESTERN POLK COUNTIES...

AT 703 AM CDT...TRAINED WEATHER SPOTTERS REPORTED A SEVERE
THUNDERSTORM CAPABLE OF PRODUCING PENNY SIZE HAIL.  THIS STORM WAS
LOCATED NEAR POLK CITY...OR 15 MILES NORTHWEST OF DES MOINES...MOVING
SOUTHEAST AT 26 MPH.

THE SEVERE THUNDERSTORM WILL BE NEAR...
  JOHNSTON AND 7 MILES SOUTHWEST OF ALLEMAN BY 715 AM CDT...
  ANKENY BY 720 AM CDT...
  SAYLORVILLE BY 725 AM CDT...

THIS INCLUDES INTERSTATE 80 BETWEEN MILE MARKERS 132 AND 137.


LAT...LON 4186 9359 4163 9358 4171 9396 4186 9397
TIME...MOT...LOC 1205Z 297DEG 23KT 4176 9374

$$
000 
WWUS53 KDMX 261226
SVSDMX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE DES MOINES IA
726 AM CDT THU JUN 26 2008

IAC049-153-261236-
/O.EXP.KDMX.SV.W.0340.000000T0000Z-080626T1230Z/
POLK IA-DALLAS IA-
726 AM CDT THU JUN 26 2008

...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN DALLAS AND
NORTHWESTERN POLK COUNTIES WILL EXPIRE AT 730 AM CDT...

AT 724 AM CDT...WEATHER SERVICE DOPPLER RADAR INDICATED THAT THE
THUNDERSTORMS WHICH PROMPTED THE WARNING HAVE WEAKENED...AND NO
LONGER POSE AN IMMEDIATE THREAT TO LIFE OR PROPERTY. THEREFORE...THE
SEVERE THUNDERSTORM WARNING WILL BE ALLOWED TO EXPIRE.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 100 PM CDT
THURSDAY AFTERNOON FOR IOWA.

LAT...LON 4186 9359 4163 9358 4171 9396 4186 9397
TIME...MOT...LOC 1226Z 297DEG 23KT 4170 9358

$$

VACHALEK

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 26, 4:50 AM CDT, 1 hour 56 minutes earlier.

Area forecast discussion, Jun 26, 4:50 AM CDT, 1 hour 56 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE DES MOINES IA
450 AM CDT THU JUN 26 2008

.SHORT/LONG TERM...TODAY THROUGH SUNDAY...MAIN FORECAST CONCERN
IS SEVERE WEATHER AND HEAVY RAIN POTENTIAL TODAY...TONIGHT AND
INTO FRIDAY. MODELS NOT HANDLING SETUP ALL THAT WELL OVER THE
NEXT 12-36 HOURS...ESPECIALLY WITH ONGOING PRECIP IN SOUTHEAST
IOWA AND ACROSS SOUTH DAKOTA. PLENTY OF MOISTURE AVAILABLE...WITH
INSTABILITY INCREASING THIS AFTERNOON AND FORCING EVIDENT AT
310K/315K ISENTROPIC SURFACE OVER NORTHERN IOWA BY 00Z FRIDAY.
STORMS LOOK TO DEVELOP ALONG FRONTAL BOUNDARY IN CENTRAL IOWA
THROUGHOUT THE DAY AND INTO THIS EVENING. FLASH FLOOD WATCH
BEGINS THIS AFTERNOON AND RUNS THROUGH TOMORROW MORNING...MAINLY
OVER THE AFFECTED AREAS FROM WEDNESDAY NIGHTS STORMS. INCREASED
POPS/QPF TODAY...TONIGHT AND INTO TOMORROW FOR AFOREMENTIONED
AREA. MAIN SEVERE THREAT WITH STORMS TODAY/TONIGHT WILL BE HAIL
AND WINDS. COLD FRONT LOOKS TO MOVE THROUGH DSM AREA BY AROUND
MIDDAY FRIDAY...WITH STRATIFORM RAIN ALONG AND BEHIND FRONT THROUGH
TOMORROW NIGHT. COOLER AIR BEHIND FRONT FRIDAY NIGHT INTO THE
WEEKEND...BUT DEEP UPPER LOW TAKES ITS TIME MOVING EAST THIS
WEEKEND...SO KEPT IN AFTERNOON CHANCES OF TSTMS OVER THE
NORTH AND EAST SATURDAY AND SUNDAY AS A COUPLE SHORTWAVES MOVE
THROUGH THE TROUGH. IN ADDITIONAL...WINDS LOOK INCREASE ON
SATURDAY WITH TIGHT PRESSURE GRADIENT SETTING UP WITH FIRST
SHORTWAVE.

&&

.AVIATION...26/06Z
THUNDERSTORMS JUST ABOVE TO EXIT SRN IA INCLUDING AROUND KOTM.  WITH
LIGHT WINDS AND LINGERING LOW LEVEL MOISTURE FROM HUMID WED AND
RECENT RAINS...EXPECT PATCHY FOG TO DEVELOP.  HOWEVER EXTENSIVE
MIDDLE CLOUD COVER FROM DEPARTING STORMS AND THUNDERSTORM COMPLEX
OVER DAKOTAS SHOULD DEEP RADIATIVE COOLING FROM BEING TOO EXTREME SO
ONLY MVFR FOG MENTION FOR NOW.  CONFIDENCE IN DAKOTAS COMPLEX MAKING
IT HERE RATHER LOW FOR THE TIME BEING...SO HAVE IGNORED AT 06Z.
HOWEVER FULLY EXPECT ANOTHER ROUND OF THUNDERSTORMS SOMETIME TODAY
OR THU EVENING.  REALLY DO NOT HAVE A FEEL FOR LOCATION OR TIMING
YET SO JUST MENTIONED CB RATHER THAN 6+ HOURS OF THUNDERSTORMS IN
TERMINALS.

&&

.DMX WATCHES/WARNINGS/ADVISORIES...
FLASH FLOOD WATCH FROM 4 PM CDT THIS AFTERNOON THROUGH FRIDAY
MORNING FOR APPANOOSE-BLACK HAWK-BOONE-BREMER-BUTLER-DALLAS-
DAVIS-FRANKLIN-GRUNDY-HAMILTON-HARDIN-JASPER-LUCAS-MAHASKA-
MARION-MARSHALL-MONROE-POLK-POWESHIEK-STORY-TAMA-WAPELLO-WARREN-
WAYNE-WRIGHT.

&&

KLP/KLP/BSS
Hazardous weather outlook, Jun 26, 5:51 AM CDT, 55 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE DES MOINES IA
551 AM CDT THU JUN 26 2008

IAZ025>028-036>039-047>050-059>062-073>075-084>086-095>097-271100-
WRIGHT-FRANKLIN-BUTLER-BREMER-HAMILTON-HARDIN-GRUNDY-BLACK HAWK-
BOONE-STORY-MARSHALL-TAMA-DALLAS-POLK-JASPER-POWESHIEK-WARREN-
MARION-MAHASKA-LUCAS-MONROE-WAPELLO-WAYNE-APPANOOSE-DAVIS-
551 AM CDT THU JUN 26 2008

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF CENTRAL
IOWA...MAINLY ALONG AND EAST OF INTERSTATE 35.

.DAY ONE...TODAY AND TONIGHT

A FLASH FLOOD WATCH IS IN EFFECT FOR THE AREA. PLEASE REFER TO
THE NATIONAL WEATHER SERVICE WEBSITE AT WEATHER.GOV/DESMOINES.

WIDESPREAD THUNDERSTORMS ARE EXPECTED TO DEVELOP ACROSS THE AREA
THIS AFTERNOON AND TONIGHT. A SLIGHT RISK OF SEVERE STORMS EXIST
OVER IOWA AS LARGE HAIL AND DAMAGING WINDS POSE AS THE MAIN
THREATS. LOCALLY HEAVY RAIN IS ALSO ANTICIPATED TO ACCOMPANY THESE
STORMS...WHICH MAY LEAD TO AREAS OF FLASH FLOODING.

RIVER FLOODING ALONG THE DES MOINES RIVER BASIN BELOW SAYLORVILLE
RESERVOIR WILL CONTINUE THROUGH THIS WEEKEND. WITH THE ADDITIONAL
RAINFALL FORECAST OVER CENTRAL IOWA TODAY AND TONIGHT...THE
POTENTIAL FOR FURTHER RIVER FLOODING EXIST ALONG THE DES
MOINES...SKUNK...AND IOWA RIVER BASINS AND THEIR TRIBUTARIES. FOR
ADDITIONAL INFORMATION PLEASE REFER TO THE NATIONAL WEATHER
SERVICE WEBSITE AT WEATHER.GOV/DESMOINES.

.DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY

A FLASH FLOOD WATCH IS IN EFFECT FOR THE AREA THROUGH FRIDAY
MORNING. PLEASE REFER TO THE NATIONAL WEATHER SERVICE WEBSITE AT
WEATHER.GOV/DESMOINES.

SCATTERED THUNDERSTORMS ARE EXPECTED TO CONTINUE ACROSS THE AREA
THROUGHOUT THE DAY ON FRIDAY...WITH THE BEST POTENTIAL FOR HEAVY
RAIN NORTH OF INTERSTATE 80 AND EAST OF INTERSTATE 35. IN ADDITION
TO HEAVY RAIN...LARGE HAIL AND DAMAGING WINDS MAY ACCOMPANY THESE
STORMS FRIDAY.

RIVER FLOODING ALONG THE DES MOINES RIVER BASIN BELOW SAYLORVILLE
RESERVOIR WILL CONTINUE THROUGH THE WEEKEND. WITH THE ADDITIONAL
RAINFALL FORECAST OVER CENTRAL IOWA ON FRIDAY...THE POTENTIAL FOR
FURTHER RIVER FLOODING EXIST ALONG THE DES MOINES...SKUNK...AND
IOWA RIVER BASINS AND THEIR TRIBUTARIES. FOR ADDITIONAL INFORMATION
PLEASE REFER TO THE NATIONAL WEATHER SERVICE WEBSITE AT
WEATHER.GOV/DESMOINES.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION MAY BE NEEDED TODAY...TONIGHT...AND FRIDAY.

IAZ004>007-015>017-023-024-033>035-044>046-057-058-070>072-
081>083-092>094-271100-
EMMET-KOSSUTH-WINNEBAGO-WORTH-PALO ALTO-HANCOCK-CERRO GORDO-
POCAHONTAS-HUMBOLDT-SAC-CALHOUN-WEBSTER-CRAWFORD-CARROLL-GREENE-
AUDUBON-GUTHRIE-CASS-ADAIR-MADISON-ADAMS-UNION-CLARKE-TAYLOR-
RINGGOLD-DECATUR-
551 AM CDT THU JUN 26 2008

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF CENTRAL IOWA.

.DAY ONE...TODAY AND TONIGHT

WIDESPREAD THUNDERSTORMS ARE EXPECTED TO DEVELOP ACROSS THE AREA
THIS AFTERNOON AND TONIGHT. A SLIGHT RISK OF SEVERE STORMS EXIST
OVER IOWA...AS LARGE HAIL AND DAMAGING WINDS POSE AS THE MAIN
THREATS. LOCALLY HEAVY RAIN MAY ALSO ACCOMPANY THE STRONGER STORMS.

.DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY

SCATTERED STRONG TO SEVERE THUNDERSTORMS ARE EXPECTED TO CONTINUE
ACROSS THE AREA THROUGHOUT THE DAY ON FRIDAY. LARGE HAIL...DAMAGING
WINDS...AND LOCALLY HEAVY RAIN MAY ACCOMPANY THESE STORMS FRIDAY.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION MAY BE NEEDED TODAY...TONIGHT...AND FRIDAY.

PODRAZIK

In the hours before

Local storm report, Jun 26, 1:45 AM CDT, 5 hours 1 minute before
PRELIMINARY LOCAL STORM REPORT...SUMMARY
NATIONAL WEATHER SERVICE DES MOINES IA
145 AM CDT THU JUN 26 2008

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

0647 PM     HAIL             3 NE MADRID             41.91N 93.78W
06/25/2008  E1.00 INCH       BOONE              IA   TRAINED SPOTTER

0650 PM     HAIL             3 NE MADRID             41.91N 93.78W
06/25/2008  E2.50 INCH       BOONE              IA   NSSL-SHAVE

            RELAYED PUBLIC REPORT.

0652 PM     HAIL             6 NE MADRID             41.94N 93.74W
06/25/2008  M3.00 INCH       BOONE              IA   NSSL-SHAVE

            OBLONG HAIL SIZE UP TO 3.25 INCHES.

0656 PM     HAIL             6 NE MADRID             41.94N 93.74W
06/25/2008  E1.50 INCH       BOONE              IA   FIRE DEPT/RESCUE

            HAIL JUST SMALLER THAN GOLFBALL SIZE AT INTERSECTION OF
            300TH AND Y AVENUE.

0659 PM     HAIL             4 WNW DES MOINES        41.61N 93.68W
06/25/2008  E0.88 INCH       POLK               IA   TRAINED SPOTTER

            AT 719 PM A TRAINED SPOTTER REPORTED HAIL ABOUT NICKEL
            SIZE FALLING FOR THE LAST 20 MINUTES.

0701 PM     HAIL             3 N SLATER              41.92N 93.68W
06/25/2008  E1.75 INCH       STORY              IA   EMERGENCY MNGR

            QUARTER TO GOLF BALL HAIL BETWEEN KELLY AND SLATER.

0702 PM     HAIL             KELLEY                  41.95N 93.66W
06/25/2008  E1.00 INCH       STORY              IA   BROADCAST MEDIA

            FROM KCCI-TV VIEWER.

0703 PM     HAIL             6 WSW POLK CITY         41.76N 93.82W
06/25/2008  E0.88 INCH       DALLAS             IA   BROADCAST MEDIA

            DIME TO NICKEL HAIL. KCCI-TV VIEWER.

0707 PM     HAIL             4 ENE AMES AIRPORT      42.01N 93.54W
06/25/2008  M1.00 INCH       STORY              IA   EMERGENCY MNGR

0708 PM     HAIL             3 ENE AMES AIRPORT      42.01N 93.57W
06/25/2008  E0.88 INCH       STORY              IA   TRAINED SPOTTER

            NICKEL TO JUST SHY OF QUARTER SIZED HAIL.

0711 PM     HAIL             5 WSW POLK CITY         41.75N 93.81W
06/25/2008  E0.75 INCH       POLK               IA   AMATEUR RADIO

            PENNY HAIL AT INTERSECTION OF HWY 17 AND HWY 141 NEAR
            GRANGER.

0714 PM     HAIL             NEVADA                  42.02N 93.45W
06/25/2008  E0.75 INCH       STORY              IA   BROADCAST MEDIA

            AT PUBLIC LIBRARY. KCCI-TV VIEWER.

0718 PM     HAIL             W GRANGER               41.76N 93.83W
06/25/2008  E0.88 INCH       DALLAS             IA   STORM CHASER

0719 PM     HAIL             ESE HUBBARD             42.30N 93.29W
06/25/2008  E0.88 INCH       HARDIN             IA   TRAINED SPOTTER

            PLENTY OF ONE HALF INCH TO NICKEL HAIL FALLING. VERY
            HEAVY RAIN AS WELL.

0722 PM     HAIL             NEVADA                  42.02N 93.45W
06/25/2008  E1.75 INCH       STORY              IA   BROADCAST MEDIA

            FROM KCCI-TV VIEWER.

0722 PM     HAIL             E NEVADA                42.02N 93.45W
06/25/2008  E1.00 INCH       STORY              IA   TRAINED SPOTTER

            TRAINED SPOTTER REPORTED HAIL AT LEAST ONE INCH IN
            DIAMATER ON THE SOUTHEAST SIDE OF NEVADA.

0723 PM     HAIL             NEVADA                  42.02N 93.45W
06/25/2008  E1.50 INCH       STORY              IA   AMATEUR RADIO

            QUARTER TO PING PONG BALL SIZED HAIL.

0726 PM     HAIL             3 S NEVADA              41.97N 93.45W
06/25/2008  E1.50 INCH       STORY              IA   TRAINED SPOTTER

            TRAINED SPOTTER REPORTED HAIL MOSTLY PENNY SIZED BUT WITH
            A FEW UP TO 1.5 INCHES IN DIAMETER ABOUT 3 MILES SOUTH OF
            NEVADA...AT THE INTERSECTION OF HIGHWAY F14 AND 270TH
            STREET.

0728 PM     HAIL             5 NNE COLO              42.08N 93.27W
06/25/2008  E1.00 INCH       STORY              IA   TRAINED SPOTTER

0729 PM     HAIL             3 E AMES                42.02N 93.57W
06/25/2008  E1.00 INCH       STORY              IA   BROADCAST MEDIA

            FROM KCCI-TV STAFFER.

0731 PM     HAIL             1 NW NEVADA             42.03N 93.46W
06/25/2008  E1.00 INCH       STORY              IA   TRAINED SPOTTER

            TRAINED SPOTTER REPORTED QUARTER SIZED HAIL IN NEVADA AT
            735 PM...STARTED 4 MINUTES EARLIER.

0733 PM     HAIL             6 SSW WOODWARD          41.78N 93.96W
06/25/2008  E1.75 INCH       DALLAS             IA   TRAINED SPOTTER

            AT 743 PM TRAINED SPOTTER REPORTED HAIL NEAR
            MINBURN...MOSTLY PEA TO PENNY SIZED BUT WITH SOME STONES
            UP TO GOLF BALL SIZE...LASTING APPROXIMATELY 10 MINUTES.

0733 PM     HAIL             5 NW STATE CENTER       42.08N 93.22W
06/25/2008  E1.75 INCH       MARSHALL           IA   TRAINED SPOTTER

0735 PM     HAIL             NEVADA                  42.02N 93.45W
06/25/2008  E1.75 INCH       STORY              IA   BROADCAST MEDIA

            WHO TV RELAYED REPORTS FROM VIEWERS OF GOLF BALL SIZED
            HAIL FALLING IN NEVADA FROM 735 PM TO 740 PM.

0735 PM     HAIL             ELLSWORTH               42.31N 93.58W
06/25/2008  E1.00 INCH       HAMILTON           IA   LAW ENFORCEMENT

0735 PM     HAIL             1 SW CLIVE              41.60N 93.78W
06/25/2008  E1.00 INCH       POLK               IA   TRAINED SPOTTER

            SPOTTER REPORTS QUARTER SIZED HAIL NEAR HICKMAN EXIT OF
            I-80/35 IN WEST DES MOINES.

0735 PM     HAIL             NEVADA                  42.02N 93.45W
06/25/2008  M2.50 INCH       STORY              IA   BROADCAST MEDIA

            KCCI RELAYED REPORT FROM VIEWER OF HAIL MEASURED AT 2.6
            INCHES DIAMETER IN NEVADA AT 735 PM. DELAYED REPORT.

0737 PM     HAIL             NEVADA                  42.02N 93.45W
06/25/2008  E1.00 INCH       STORY              IA   TRAINED SPOTTER

0740 PM     LIGHTNING        5 W ANKENY AIRPORT      41.70N 93.66W
06/25/2008                   POLK               IA   LAW ENFORCEMENT

            HOUSE DAMAGE DUE TO LIGHNING STRIKE.

0742 PM     HAIL             6 SSW WOODWARD          41.78N 93.96W
06/25/2008  E0.88 INCH       DALLAS             IA   TRAINED SPOTTER

0807 PM     FUNNEL CLOUD     N WELLSBURG             42.44N 92.93W
06/25/2008                   GRUNDY             IA   TRAINED SPOTTER

            TRAINED SPOTTER REPORTED STRONG ROTATION AND A DEVELOPING
            FUNNEL CLOUD...NOT ON THE GROUND...ON HIGHWAY T19 ABOUT 5
            MILES NORTH OF WELLSBURG.

0819 PM     HAIL             HUXLEY                  41.90N 93.60W
06/25/2008  E0.75 INCH       STORY              IA   BROADCAST MEDIA

            KCCI RELAYED REPORT FROM PUBLIC OF 3/4 INCH HAIL IN
            HUXLEY.

0822 PM     HAIL             DANA                    42.11N 94.24W
06/25/2008  E0.88 INCH       GREENE             IA   BROADCAST MEDIA

            KCCI RELAYED REPORT FROM PUBLIC OF NICKEL HAIL IN DANA.

0834 PM     HAIL             GRAND JUNCTION          42.03N 94.24W
06/25/2008  E1.50 INCH       GREENE             IA   BROADCAST MEDIA

            FROM KCCI-TV VIEWER

0838 PM     TSTM WND GST     2 N TOLEDO              42.02N 92.58W
06/25/2008  E60.00 MPH       TAMA               IA   FIRE DEPT/RESCUE

            TOLEDO FIRE DEPARTMENT REPORTS WIND GUSTING TO ESTIMATED
            60 MPH ABOUT TWO MILES NORTH OF TOLEDO.

0852 PM     HAIL             BERKLEY                 41.95N 94.11W
06/25/2008  E1.25 INCH       BOONE              IA   LAW ENFORCEMENT

            BOONE COUNTY LAW ENFORCEMENT REPORTS HAIL UP TO 1 1/4
            INCH DIAMATER IN BERKLEY.

0900 PM     HAIL             RIPPEY                  41.93N 94.20W
06/25/2008  E0.88 INCH       GREENE             IA   LAW ENFORCEMENT

0900 PM     HAIL             DES MOINES              41.58N 93.62W
06/25/2008  E0.88 INCH       POLK               IA   FIRE DEPT/RESCUE

            DES MOINES FIRE DEPARTMENT REPORTS DIME TO NICKEL SIZED
            HAIL AT EAST 14TH AND COURT.

0912 PM     HAIL             1 NW BOUTON             41.86N 94.02W
06/25/2008  E1.00 INCH       BOONE              IA   LAW ENFORCEMENT

            BOONE COUNTY LAW ENFORCEMENT REPORTS QUARTER SIZED HAIL
            ON HIGHWAY 169 AT THE DALLAS/BOONE COUNTY LINE.

0912 PM     HAIL             1 N DES MOINES          41.59N 93.62W
06/25/2008  E1.25 INCH       POLK               IA   BROADCAST MEDIA

            2ND AVENUE AND INTERSTATE 80. FROM KCCI-TV. OTHER HAIL TO
            DIME SIZE DOWNTOWN FROM WHO-TV.

0923 PM     HEAVY RAIN       3 W POLK CITY           41.78N 93.78W
06/25/2008  E5.00 INCH       POLK               IA   BROADCAST MEDIA

            STORM TOTAL RAIN FROM KCCI-TV VIEWER.

0935 PM     HAIL             1 SW CLIVE              41.60N 93.78W
06/25/2008  E1.00 INCH       POLK               IA   TRAINED SPOTTER

            SPOTTER REPORTED QUARTER SIZED HAIL AT HICKMAN EXIT OF
            I-80/35.

0937 PM     HAIL             1 S CARLISLE            41.49N 93.49W
06/25/2008  E1.00 INCH       WARREN             IA   EMERGENCY MNGR

            NICKEL TO QUARTER SIZED HAIL.

0938 PM     TSTM WND GST     2 E WAUKEE              41.61N 93.83W
06/25/2008  E65.00 MPH       DALLAS             IA   TRAINED SPOTTER

            LASTED AROUND 2 MINUTES. NO DAMAGE REPORTED.

0940 PM     FLASH FLOOD      1 N GRANGER             41.77N 93.82W
06/25/2008                   DALLAS             IA   PUBLIC

            REPORT OF WATER OVER THE ROAD ON HIGHWAY 17 AT 122ND AVE
            AND NEAR DES MOINES RIVER BRIDGE.

0941 PM     TSTM WND GST     3 SW CLIVE              41.58N 93.80W
06/25/2008  E60.00 MPH       DALLAS             IA   NWS EMPLOYEE

0943 PM     TSTM WND GST     3 SW CLIVE              41.58N 93.80W
06/25/2008  E70.00 MPH       DALLAS             IA   TRAINED SPOTTER

            PEA HAIL ACCOMPANIED WIND.

0944 PM     HAIL             1 NW WINDSOR HEIGHTS    41.62N 93.72W
06/25/2008  E0.88 INCH       POLK               IA   TRAINED SPOTTER

0944 PM     HAIL             1 S URBANDALE           41.62N 93.74W
06/25/2008  E1.75 INCH       POLK               IA   LAW ENFORCEMENT

            LAW ENFORCEMENT REPORTED QUARTER TO GOLF BALL SIZED HAIL
            AT 86TH AND DOUGLAS IN URBANDALE...AND AT 100TH AND
            SWANSON IN CLIVE.

0945 PM     TSTM WND GST     DES MOINES INT AIRPORT  41.53N 93.66W
06/25/2008  E62.00 MPH       POLK               IA   ASOS

0945 PM     HAIL             WEST DES MOINES         41.57N 93.75W
06/25/2008  M1.00 INCH       POLK               IA   BROADCAST MEDIA

            KCLI RELAYED REPORT.

0946 PM     HAIL             3 SW CLIVE              41.58N 93.80W
06/25/2008  E0.88 INCH       DALLAS             IA   NWS EMPLOYEE

0953 PM     TSTM WND GST     3 W WEST DES MOINES     41.57N 93.81W
06/25/2008  M68.00 MPH       DALLAS             IA   TRAINED SPOTTER

            LARGE HAIL OF UNKNOWN SIZE. TREE BRANCHES DOWN.

0959 PM     HAIL             E DES MOINES INT AIRPOR 41.53N 93.66W
06/25/2008  E1.00 INCH       POLK               IA   LAW ENFORCEMENT

            LAW ENFORCEMENT REPORTED QUARTER SIZED HAIL TWO BLOCKS
            EAST OF THE DES MOINES AIRPORT.

1000 PM     HAIL             W WEST DES MOINES       41.57N 93.75W
06/25/2008  E0.75 INCH       POLK               IA   TRAINED SPOTTER

            TRAINED SPOTTER REPORTED PEA TO PENNY SIZED HAIL AT I-35
            AND GRAND AVENUE IN WEST DES MOINES.

1003 PM     TSTM WND GST     4 S DES MOINES INT AIRP 41.48N 93.66W
06/25/2008  E65.00 MPH       WARREN             IA   TRAINED SPOTTER

            TRAINED SPOTTER REPORTED WIND GUSTING TO 65 MPH AND PEA
            SIZED HAIL IN NORWALK.

1003 PM     HAIL             E DES MOINES INT AIRPOR 41.53N 93.66W
06/25/2008  E1.00 INCH       POLK               IA   PUBLIC

            PUBLIC REPORT OF QUARTER SIZED HAIL AT SW 9TH AND
            MCKINLEY.

1007 PM     HAIL             NORWALK                 41.50N 93.68W
06/25/2008  E0.88 INCH       WARREN             IA   AMATEUR RADIO

            AMATEUR RADIO OPERATER REPORTED PENNY TO NICKEL SIZED
            HAIL AND WIND GUSTING TO NEAR 60 MPH IN NORWALK.

1010 PM     HAIL             3 S DES MOINES          41.54N 93.62W
06/25/2008  E1.25 INCH       POLK               IA   PUBLIC

            PUBLIC REPORTED HAIL UP TO HALF DOLLAR SIZED WITH NICKEL
            SIZED HAIL COVERING THE GROUND AT SW 9TH AND MCKINLEY.

1010 PM     TSTM WND GST     4 S DES MOINES INT AIRP 41.48N 93.67W
06/25/2008  E70.00 MPH       WARREN             IA   TRAINED SPOTTER

            TRAINED SPOTTER REPORTED 70 MPH WINDS AND NICKEL SIZED
            HAIL IN NORWALK.

1038 PM     HAIL             1 S LACONA              41.18N 93.38W
06/25/2008  E1.75 INCH       WARREN             IA   EMERGENCY MNGR

1127 PM     HEAVY RAIN       OTTUMWA AIRPORT         41.11N 92.45W
06/25/2008  M2.82 INCH       WAPELLO            IA   ASOS

            2.04 INCHES FELL IN THE PERIOD FROM 1053 PM TO 1121 PM.
            0.99 INCHES FELL IN NINE MINUTES.

1132 PM     HAIL             4 N OSCEOLA             41.08N 93.78W
06/25/2008  E0.88 INCH       CLARKE             IA   TRAINED SPOTTER

            PEA TO NICKEL HAIL ALONG INTERSTATE 35 NEAR MILE MARKER
            39.

&&

SMALL
Local storm report, Jun 26, 5:03 AM CDT, 1 hour 43 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE DES MOINES IA
503 AM CDT THU JUN 26 2008

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

0456 AM     HEAVY RAIN       W CORYDON               40.76N 93.32W
06/26/2008  M2.00 INCH       WAYNE              IA   TRAINED SPOTTER

&&

RVACHALE
Local storm report, Jun 26, 5:17 AM CDT, 1 hour 29 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE DES MOINES IA
517 AM CDT THU JUN 26 2008

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

0505 AM     FLASH FLOOD      6 E NEW VIRGINIA        41.18N 93.62W
06/26/2008                   WARREN             IA   LAW ENFORCEMENT

            RAY STREET AND HIGHWAY 69 WASHED OUT. COUNTY G76 AND
            HIGHWAY 69 SHOULDER WASHED OUT.

&&

RVACHALE

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 25, 7:00 PM CDTSevere Thunderstorm WarningDMXBoone, Dallas, Polk30 min
Jun 25, 7:11 PM CDTSevere Thunderstorm WarningDMXHardin49 min
Jun 25, 7:15 PM CDTSevere Thunderstorm WarningDMXHamilton, Hardin30 min
Jun 25, 7:29 PM CDTSevere Thunderstorm WarningDMXBoone, Dallas, Polk, Story46 min
Jun 25, 7:33 PM CDTSevere Thunderstorm WarningDMXMarshall42 min
Jun 25, 7:37 PM CDTSevere Thunderstorm WarningDMXButler, Franklin, Grundy, Hardin38 min
Jun 25, 7:41 PM CDTSevere Thunderstorm WarningDMXStory34 min
Jun 25, 7:43 PM CDTSevere Thunderstorm WarningDMXHamilton, Hardin, Story36 min
Jun 25, 8:09 PM CDTTornado WarningDMXGrundy24 min
Jun 25, 8:10 PM CDTSevere Thunderstorm WarningDMXGrundy, Marshall, Tama50 min
Jun 25, 8:12 PM CDTSevere Thunderstorm WarningDMXBoone, Greene48 min
Jun 25, 8:16 PM CDTSevere Thunderstorm WarningDMXBoone, Dallas, Marshall, Polk, Story44 min
Jun 25, 8:25 PM CDTSevere Thunderstorm WarningDMXPoweshiek, Tama35 min
Jun 25, 8:53 PM CDTSevere Thunderstorm WarningDMXBoone, Dallas, Greene52 min
Jun 25, 8:55 PM CDTSevere Thunderstorm WarningDMXDallas, Jasper, Marion, Polk, Warren50 min
Jun 25, 8:57 PM CDTSevere Thunderstorm WarningDMXPoweshiek, Tama33 min
Jun 25, 8:59 PM CDTFlash Flood WarningDMXBoone, Dallas, Polk4 hr
Jun 25, 9:01 PM CDTSevere Thunderstorm WarningDMXPoweshiek44 min
Jun 25, 9:08 PM CDTSevere Thunderstorm WarningDMXDallas, Greene, Guthrie52 min
Jun 25, 9:42 PM CDTSevere Thunderstorm WarningDMXDallas, Jasper, Marion, Polk, Warren48 min
Jun 25, 9:45 PM CDTSevere Thunderstorm WarningDMXBoone, Dallas, Greene, Guthrie45 min
Jun 25, 9:51 PM CDTSevere Thunderstorm WarningDMXMadison39 min
Jun 25, 10:01 PM CDTFlash Flood WarningDMXPoweshiek, Tama3 hr
Jun 25, 10:21 PM CDTSevere Thunderstorm WarningDMXLucas, Marion, Monroe39 min
Jun 25, 10:24 PM CDTSevere Thunderstorm WarningDMXClarke, Lucas, Madison, Warren51 min
Jun 25, 10:40 PM CDTSevere Thunderstorm WarningDMXMahaska, Wapello50 min
Jun 25, 10:46 PM CDTSevere Thunderstorm WarningDMXLucas, Monroe44 min
Jun 25, 10:50 PM CDTSevere Thunderstorm WarningDMXWapello40 min
Jun 25, 11:10 PM CDTSevere Thunderstorm WarningDMXClarke, Decatur, Lucas, Wayne50 min
Jun 25, 11:13 PM CDTSevere Thunderstorm WarningDMXClarke, Madison, Union47 min
Jun 25, 11:20 PM CDTFlash Flood WarningDMXMahaska, Wapello6 hr
Jun 25, 11:24 PM CDTSevere Thunderstorm WarningDMXAppanoose, Davis, Lucas, Monroe, Wapello, Wayne51 min
Jun 25, 11:42 PM CDTRiver Flood WarningDMXPolk4 days
Jun 25, 11:53 PM CDTSevere Thunderstorm WarningDMXClarke, Decatur, Ringgold, Union33 min
Jun 26, 2:00 AM CDTSevere Thunderstorm WarningDMXWarren45 min
Jun 26, 3:11 AM CDTAreal Flood AdvisoryDMXWarren4 hr
Jun 26, 4:01 AM CDTFlash Flood WatchDMXAdair, Adams, Appanoose, Audubon, Black Hawk, Boone and 38 more42 hr
Jun 26, 4:14 AM CDTFlash Flood WarningDMXWarren6 hr
Jun 26, 6:43 AM CDTSevere Thunderstorm WarningDMXSac62 min
Jun 26, 7:00 AM CDTAreal Flood AdvisoryDMXLucas, Marion, Monroe3 hr
Jun 26, 7:39 AM CDTAreal Flood AdvisoryDMXSac3 hr
Jun 26, 7:48 AM CDTSevere Thunderstorm WarningDMXCalhoun, Carroll, Crawford, Sac57 min
Jun 26, 8:03 AM CDTFlash Flood WarningDMXSac6 hr
Jun 26, 8:17 AM CDTSevere Thunderstorm WarningDMXCalhoun, Webster58 min
Jun 26, 8:21 AM CDTAreal Flood AdvisoryDMXCalhoun, Carroll, Crawford, Sac3 hr
Jun 26, 8:24 AM CDTSevere Thunderstorm WarningDMXCarroll, Greene51 min
Jun 26, 8:29 AM CDTFlash Flood WarningDMXCalhoun, Sac5 hr
Jun 26, 8:45 AM CDTSevere Thunderstorm WarningDMXGuthrie45 min
Jun 26, 8:51 AM CDTFlash Flood WarningDMXWebster5 hr
Jun 26, 8:56 AM CDTFlash Flood WarningDMXBoone, Dallas, Polk6 hr
Jun 26, 9:00 AM CDTSevere Thunderstorm WarningDMXBoone, Dallas, Greene45 min
Jun 26, 9:02 AM CDTAreal Flood AdvisoryDMXAudubon, Carroll, Greene, Guthrie3 hr
Jun 26, 9:13 AM CDTSevere Thunderstorm WarningDMXHamilton, Webster47 min
Jun 26, 9:14 AM CDTFlash Flood WarningDMXMarion, Warren6 hr
Jun 26, 9:31 AM CDTSevere Thunderstorm WarningDMXBoone, Polk, Story44 min
Jun 26, 9:35 AM CDTSevere Thunderstorm WarningDMXAdair, Cass, Madison40 min
Jun 26, 9:41 AM CDTFlash Flood WarningDMXAdair, Audubon, Cass, Guthrie, Madison4 hr
Jun 26, 9:48 AM CDTFlash Flood WarningDMXStory4 hr
Jun 26, 10:06 AM CDTSevere Thunderstorm WarningDMXJasper, Marshall, Story41 min
Jun 26, 10:14 AM CDTAreal Flood AdvisoryDMXHamilton3 hr
Jun 26, 10:30 AM CDTSevere Thunderstorm WarningDMXMarion, Warren26 min
Jun 26, 10:35 AM CDTFlash Flood WarningDMXAppanoose, Lucas, Monroe6 hr
Jun 26, 10:46 AM CDTWind AdvisoryDMXAudubon, Boone, Calhoun, Carroll, Crawford, Dallas and 14 more3 hr
Jun 26, 10:55 AM CDTAreal Flood AdvisoryDMXAdams, Clarke, Decatur, Lucas, Ringgold, Taylor and 1 more3 hr
Jun 26, 11:03 AM CDTAreal Flood AdvisoryDMXAppanoose, Grundy, Hardin, Marshall10 days
Jun 26, 11:31 AM CDTRiver Flood WarningDMXPolk9 hr
Jun 26, 12:05 PM CDTRiver Flood WarningDMXLucas44 hr
Jun 26, 3:59 PM CDTRiver Flood WarningDMXPolk29 hr
Jun 26, 4:20 PM CDTAreal Flood WarningDMXMonroe5 hr
Jun 26, 5:43 PM CDTRiver Flood WarningDMXMahaska, Marion46 hr

Nearby

Severe Thunderstorm Warnings in Iowa, 2008Every 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.