Alert archive / Iowa / Tornado Warnings in 2008
Tornado Warning 13, NWS Des Moines, IA
NWS Des Moines, IA issued this tornado warning at May 25, 2008, 4:46 PM CDT for Butler County, Grundy County, Iowa. It was in force for 44 min. 14 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
- May 25, 2008, 4:46 PM CDT (21:46 UTC)
- Expired
- May 25, 2008, 5:30 PM CDT
- In force
- 44 min
- Issued by
- NWS Des Moines, IA
- Area
- Storm-based polygon
Counties Butler County, IA, Grundy County, IA
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| May 25, 4:48 PM CDT | TORNADO | 2 S Aplington, IA | *** 6 FATAL, 70 INJ *** THE TORNADO TOUCHED DOWN 2 MILES SOUTH OF APLINGTON...THEN TRACKED EAST THROUGH PARKERSBURG AND JUST NORTH OF NEW HARTFORD...THEN ACROSS NORTHERN BLACKHAWK COUNTY BEFORE LIFTING NEAR THE BLACKHAWK BUCHANAN COUNTY LINE. THE PRELIMINARY S |
| May 25, 4:48 PM CDT | TORNADO | 2 W Aplington, IA | INTERSECTION OF HIGHWAY T19 AND HIGHWAY 57. |
| May 25, 4:48 PM CDT | TORNADO | 2 W Aplington, IA | |
| May 25, 4:58 PM CDT | TORNADO | Ene Aplington, IA | ALONG HIGHWAY 57 |
| May 25, 4:59 PM CDT | TORNADO | Parkersburg, IA | *** 5 FATAL *** SEVERE DAMAGE TO PORTIONS OF SOUTHERN AND EASTERN PARKERSBURG. |
| May 25, 5:00 PM CDT | TORNADO | Parkersburg, IA | SPOTTER REPORTS SIGNIFICANT HOUSE...TREE...AND POWER LINE DAMAGE ON THE SOUTH END OF PARKERSBURG. ROADS IMPASSABLE. |
| May 25, 5:01 PM CDT | TORNADO | 1 S Parkersburg, IA | ALONG THE GRUNDY/BUTLER COUNTY LINE ON HIGHWAY 14. |
| May 25, 5:09 PM CDT | TORNADO | 1 N New Hartford, IA | *** 2 FATAL *** |
| May 25, 5:09 PM CDT | TORNADO | 2 E Aplington, IA | AT INTERSECTION OF T25 AND HIGHWAY 57. |
| May 25, 5:11 PM CDT | TORNADO | 3 Nw New Hartford, IA | LARGE PARTIALLY RAIN WRAPPED TORNADO WITH A SATELLITE TORNADO ON THE SOUTH END. |
| May 25, 5:13 PM CDT | TORNADO | 1 N New Hartford, IA | |
| May 25, 5:13 PM CDT | TORNADO | 3 Ne Stout, IA | IOWA STATE UNIVERSITY SPOTTER REPORTED SECOND LARGE TORNADO ROUGHLY 2 MILES SOUTHWEST OF NEW HARTFORD. |
| May 25, 5:15 PM CDT | HAIL 4.25 | 4 Nnw New Hartford, IA | VIEWER REPORTED SOFTBALL SIZE HAIL IN FINCHFORD. |
| May 25, 5:17 PM CDT | TSTM WND DMG | New Hartford, IA | THUNDERSTORM WINDS DOWNED NUMEROUS TREES IN THE NEW HARTFORD AREA. APPEARED TO BE RFD DAMAGE. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| May 25, 3:30 PM CDT | Tornado Watch | SPC | 5 hr |
The nearest sounding before it
Davenport, (KDVN), launched 12:00Z, 9.8 hours before the alert went out and 215 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.
- Mixed-layer CAPE
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 843 m above ground
- 0-6 km bulk shear
- 34 kt
- 0-1 km storm-relative helicity
- 229 m²/s²
- 0-3 km storm-relative helicity
- 297 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 WFUS53 KDMX 252145 TORDMX IAC023-075-252230- /O.NEW.KDMX.TO.W.0013.080525T2146Z-080525T2230Z/ BULLETIN - EAS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE DES MOINES IA 446 PM CDT SUN MAY 25 2008 THE NATIONAL WEATHER SERVICE IN DES MOINES HAS ISSUED A * TORNADO WARNING FOR... NORTHERN GRUNDY COUNTY IN CENTRAL IOWA... SOUTHEASTERN BUTLER COUNTY IN NORTH CENTRAL IOWA... * UNTIL 530 PM CDT. * AT 441 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO 7 MILES SOUTHWEST OF APLINGTON...OR 33 MILES WEST OF WATERLOO...MOVING NORTHEAST AT 36 MPH. * THE TORNADO WILL BE NEAR... APLINGTON BY 455 PM CDT... PARKERSBURG BY 500 PM CDT... ALLISON BY 510 PM CDT... SHELL ROCK AND CLARKSVILLE BY 520 PM CDT... THIS IS A HAZARDOUS SITUATION. SEEK SHELTER IN A BASEMENT...OR IN AN INTERIOR ROOM. STAY AWAY FROM WINDOWS. IF YOU ARE OUTSIDE OR IN A CAR...SEEK SHELTER IN A REINFORCED BUILDING. A TORNADO WATCH REMAINS IN EFFECT UNTIL 900 PM CDT SUNDAY EVENING FOR NORTHWESTERN IOWA. LAT...LON 4249 9256 4247 9302 4267 9303 4287 9256 TIME...MOT...LOC 2146Z 238DEG 31KT 4256 9295 $$
4 follow-up statements
000 WWUS53 KDMX 252153 SVSDMX SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE DES MOINES IA 451 PM CDT SUN MAY 25 2008 IAC023-075-252230- /O.CON.KDMX.TO.W.0013.000000T0000Z-080525T2230Z/ BUTLER IA-GRUNDY IA- 451 PM CDT SUN MAY 25 2008 ...A TORNADO WARNING REMAINS IN EFFECT UNTIL 530 PM CDT FOR NORTHERN GRUNDY AND SOUTHERN BUTLER COUNTIES... AT 450 PM CDT...TRAINED WEATHER SPOTTERS REPORTED A TORNADO. THIS TORNADO WAS LOCATED NEAR APLINGTON...OR 30 MILES WEST OF WATERLOO... MOVING NORTHEAST AT 33 MPH. THE TORNADO WILL BE NEAR... PARKERSBURG BY 500 PM CDT... 8 MILES NORTHWEST OF STOUT BY 505 PM CDT... 8 MILES SOUTHEAST OF ALLISON AND 8 MILES NORTHWEST OF NEW HARTFORD BY 515 PM CDT... SHELL ROCK AND 6 MILES SOUTHEAST OF CLARKSVILLE BY 525 PM CDT... AT 448 PM...SPOTTERS REPORTED A CONFIRMED TORNADO AT THE INTERSECTION OF COUNTY ROAD T19 AND HIGHWAY 57 IN BUTLER COUNTY...HEADING TOWARD APPLINGTON. A TORNADO WATCH REMAINS IN EFFECT UNTIL 900 PM CDT SUNDAY EVENING FOR NORTHWESTERN IOWA. LAT...LON 4249 9256 4247 9302 4267 9303 4287 9256 TIME...MOT...LOC 2151Z 239DEG 28KT 4257 9292 $$
000 WWUS53 KDMX 252200 SVSDMX SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE DES MOINES IA 458 PM CDT SUN MAY 25 2008 IAC023-075-252230- /O.CON.KDMX.TO.W.0013.000000T0000Z-080525T2230Z/ BUTLER IA-GRUNDY IA- 458 PM CDT SUN MAY 25 2008 ...A TORNADO WARNING REMAINS IN EFFECT UNTIL 530 PM CDT FOR NORTHERN GRUNDY AND SOUTHERN BUTLER COUNTIES... AT 455 PM CDT...TRAINED WEATHER SPOTTERS REPORTED A TORNADO. THIS TORNADO WAS LOCATED NEAR PARKERSBURG...OR 25 MILES WEST OF WATERLOO...MOVING NORTHEAST AT 40 MPH. THE TORNADO WILL BE NEAR... NEW HARTFORD BY 510 PM CDT... SHELL ROCK AND 9 MILES SOUTHEAST OF CLARKSVILLE BY 515 PM CDT... AT 452...A SPOTTER REPORTED A LARGE TORNADO NEAR THE INTERSECTION OF HIGHWAY D17 AND HIGHWAY 14. MULTIPLE TORNADOES ARE FORMING EAST OF APLINGTON. THIS IS AN EXTREMELY DANGEROUS AND LIFE THREATENING SITUATION. THIS STORM IS CAPABLE OF PRODUCING STRONG TO VIOLENT TORNADOES. IF YOU ARE IN THE PATH OF THIS TORNADO...TAKE COVER IMMEDIATELY A TORNADO WATCH REMAINS IN EFFECT UNTIL 900 PM CDT SUNDAY EVENING FOR NORTHWESTERN IOWA. LAT...LON 4249 9256 4247 9302 4267 9303 4287 9256 TIME...MOT...LOC 2158Z 244DEG 35KT 4260 9278 $$
000 WWUS53 KDMX 252202 SVSDMX SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE DES MOINES IA 502 PM CDT SUN MAY 25 2008 IAC023-075-252230- /O.CON.KDMX.TO.W.0013.000000T0000Z-080525T2230Z/ BUTLER IA-GRUNDY IA- 502 PM CDT SUN MAY 25 2008 ...A TORNADO WARNING REMAINS IN EFFECT UNTIL 530 PM CDT FOR NORTHERN GRUNDY AND SOUTHERN BUTLER COUNTIES... AT 459 PM CDT...TRAINED WEATHER SPOTTERS REPORTED A TORNADO. THIS TORNADO WAS LOCATED NEAR PARKERSBURG...OR 22 MILES WEST OF WATERLOO...MOVING NORTHEAST AT 33 MPH. THE TORNADO WILL BE NEAR... NEW HARTFORD BY 510 PM CDT... SHELL ROCK BY 520 PM CDT... THIS IS AN EXTREMELY DANGEROUS AND LIFE THREATENING SITUATION. THIS STORM IS CAPABLE OF PRODUCING STRONG TO VIOLENT TORNADOES. IF YOU ARE IN THE PATH OF THIS TORNADO...TAKE COVER IMMEDIATELY A WEDGE TORDANO IS EAST OF PARKERSBURG...MOVING EAST. A TORNADO WATCH REMAINS IN EFFECT UNTIL 1000 PM CDT SUNDAY EVENING FOR IOWA. A TORNADO WATCH ALSO REMAINS IN EFFECT UNTIL 900 PM CDT SUNDAY EVENING FOR NORTHWESTERN IOWA. LAT...LON 4249 9256 4247 9302 4267 9303 4287 9256 TIME...MOT...LOC 2202Z 246DEG 29KT 4258 9274 $$
000 WWUS53 KDMX 252211 SVSDMX SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE DES MOINES IA 511 PM CDT SUN MAY 25 2008 IAC023-075-252230- /O.CON.KDMX.TO.W.0013.000000T0000Z-080525T2230Z/ BUTLER IA-GRUNDY IA- 511 PM CDT SUN MAY 25 2008 ...A TORNADO WARNING REMAINS IN EFFECT UNTIL 530 PM CDT FOR NORTHERN GRUNDY AND SOUTHERN BUTLER COUNTIES... AT 508 PM CDT...TRAINED WEATHER SPOTTERS REPORTED A TORNADO. THIS TORNADO WAS LOCATED NEAR NEW HARTFORD...OR 17 MILES WEST OF WATERLOO...MOVING EAST AT 35 MPH. THE TORNADO WILL BE NEAR... 7 MILES SOUTH OF SHELL ROCK BY 520 PM CDT... THIS IS AN EXTREMELY DANGEROUS AND LIFE THREATENING SITUATION. THIS STORM IS CAPABLE OF PRODUCING STRONG TO VIOLENT TORNADOES. IF YOU ARE IN THE PATH OF THIS TORNADO...TAKE COVER IMMEDIATELY A TORNADO WATCH REMAINS IN EFFECT UNTIL 1000 PM CDT SUNDAY EVENING FOR IOWA. LAT...LON 4249 9256 4247 9302 4267 9303 4287 9256 TIME...MOT...LOC 2211Z 251DEG 30KT 4259 9264 $$
The office that day
Everything else NWS Des Moines, IA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 25, 3:38 PM CDT | Severe Thunderstorm Warning | DMX | Franklin, Wright | 52 min |
| May 25, 4:03 PM CDT | Tornado Warning | DMX | Cerro Gordo, Franklin | 42 min |
| May 25, 4:16 PM CDT | Severe Thunderstorm Warning | DMX | Franklin | 28 min |
| May 25, 4:17 PM CDT | Severe Thunderstorm Warning | DMX | Butler, Franklin, Grundy, Hardin | 43 min |
| May 25, 4:22 PM CDT | Tornado Warning | DMX | Butler, Franklin, Grundy, Hardin | 23 min |
| May 25, 5:04 PM CDT | Tornado Warning | DMX | Black Hawk, Bremer | 56 min |
| May 25, 5:21 PM CDT | Tornado Warning | DMX | Black Hawk, Bremer | 24 min |
| May 25, 5:27 PM CDT | Tornado Warning | DMX | Butler | 14 min |
| May 25, 5:37 PM CDT | Tornado Warning | DMX | Black Hawk | 38 min |
| May 25, 5:47 PM CDT | Severe Thunderstorm Warning | DMX | Clarke, Decatur, Lucas | 43 min |
| May 25, 5:49 PM CDT | Severe Thunderstorm Warning | DMX | Bremer | 26 min |
| May 25, 6:12 PM CDT | Tornado Warning | DMX | Clarke, Lucas | 48 min |
| May 25, 6:54 PM CDT | Tornado Warning | DMX | Lucas | 36 min |
Nearby
Tornado Warnings in Iowa, 2008Every tornado warning in 2008Tornadoes 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.