Alert archive / Iowa / Tornado Warnings in 2013
Tornado Warning 17, NWS La Crosse, WI
NWS La Crosse, WI issued this tornado warning at May 31, 2013, 6:26 PM CDT for Howard County, Mitchell County, Iowa. It was in force for 34 min. 1 report 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 31, 2013, 6:26 PM CDT (23:26 UTC)
- Expired
- May 31, 2013, 7:00 PM CDT
- In force
- 34 min
- Issued by
- NWS La Crosse, WI
- Area
- Storm-based polygon
- Tornado
- Observed
- Hail
- 0.75 in
Counties Howard County, IA, Mitchell County, IA
The radar
The La Crosse radar (KARX), 121 km from the middle of the area, began a volume at 23:26 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 |
|---|---|---|---|
| May 31, 6:32 PM CDT | FUNNEL CLOUD | 5 E New Haven, IA | NUMEROUS REPORT OF FUNNEL CLOUDS NEAR COUNTY LINE. NO TOUCHDOWNS REPORTED SO FAR. |
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 31, 2:35 PM CDT | Severe Thunderstorm Watch | SPC | 9 hr |
The nearest sounding before it
Minneapolis, MN (KMPX), launched 12:00Z, 11.4 hours before the alert went out and 188 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
- 60 J/kg
- Mixed-layer CIN
- -221 J/kg
- Mixed-layer LCL
- 1191 m above ground
- 0-6 km bulk shear
- 22 kt
- 0-1 km storm-relative helicity
- 256 m²/s²
- 0-3 km storm-relative helicity
- 269 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.1
The text
As transmitted, in the capitals the NWS used until 2016.
201
WFUS53 KARX 312326
TORARX
IAC089-131-010000-
/O.NEW.KARX.TO.W.0017.130531T2326Z-130601T0000Z/
BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE LA CROSSE WI
626 PM CDT FRI MAY 31 2013
THE NATIONAL WEATHER SERVICE IN LA CROSSE HAS ISSUED A
* TORNADO WARNING FOR...
SOUTHWESTERN HOWARD COUNTY IN NORTHEAST IOWA...
SOUTHEASTERN MITCHELL COUNTY IN NORTH CENTRAL IOWA...
* UNTIL 700 PM CDT
* AT 623 PM CDT...A CONFIRMED TORNADO WAS LOCATED 7 MILES WEST OF
ELMA...AND MOVING NORTHEAST AT 25 MPH.
HAZARD...DAMAGING TORNADO.
SOURCE...LAW ENFORCEMENT CONFIRMED TORNADO. A TORNADO WAS REPORTED
NORTH OF CHARLES CITY.
IMPACT...MOBILE HOMES WILL BE HEAVILY DAMAGED OR DESTROYED.
SIGNIFICANT DAMAGE TO ROOFS...WINDOWS AND VEHICLES WILL
OCCUR. FLYING DEBRIS WILL BE DEADLY TO PEOPLE AND ANIMALS.
EXTENSIVE TREE DAMAGE IS LIKELY.
* THE TORNADO WILL BE NEAR...
ELMA AROUND 635 PM CDT.
RICEVILLE AROUND 640 PM CDT.
OTHER LOCATIONS IN THE WARNING INCLUDE LYLAHS MARSH COUNTY PARK...
MAPLE LEAF AND SARATOGA.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TO REPEAT...A TORNADO IS ON THE GROUND. TAKE COVER NOW. MOVE TO AN
INTERIOR ROOM ON THE LOWEST FLOOR OF A STURDY BUILDING. AVOID
WINDOWS. IF IN A MOBILE HOME...A VEHICLE OR OUTDOORS...MOVE TO THE
CLOSEST SUBSTANTIAL SHELTER AND PROTECT YOURSELF FROM FLYING DEBRIS.
&&
LAT...LON 4347 9256 4330 9226 4321 9256 4326 9272
TIME...MOT...LOC 2326Z 225DEG 23KT 4327 9257
TORNADO...OBSERVED
HAIL...<.75IN
$$
HALBACH3 follow-up statements
494
WWUS53 KARX 312336
SVSARX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE LA CROSSE WI
636 PM CDT FRI MAY 31 2013
IAC089-131-010000-
/O.CON.KARX.TO.W.0017.000000T0000Z-130601T0000Z/
MITCHELL IA-HOWARD IA-
636 PM CDT FRI MAY 31 2013
...A TORNADO WARNING REMAINS IN EFFECT FOR WEST CENTRAL HOWARD AND
EAST CENTRAL MITCHELL COUNTIES UNTIL 700 PM CDT...
AT 630 PM CDT...A CONFIRMED TORNADO WAS LOCATED 5 MILES SOUTH OF
RICEVILLE...AND MOVING NORTHEAST AT 25 MPH.
HAZARD...DAMAGING TORNADO.
SOURCE...LAW ENFORCEMENT CONFIRMED TORNADO. A TORNADO TOUCHED DOWN
EARLIER NORTHEAST OF FLOYD AND NUMEROUS FUNNEL CLOUD
REPORTS HAVE SINCE COME INTO MITCHELL COUNTY LAW
ENFORCEMENT.
IMPACT...MOBILE HOMES WILL BE HEAVILY DAMAGED OR DESTROYED.
SIGNIFICANT DAMAGE TO ROOFS...WINDOWS AND VEHICLES WILL
OCCUR. FLYING DEBRIS WILL BE DEADLY TO PEOPLE AND ANIMALS.
EXTENSIVE TREE DAMAGE IS LIKELY.
THIS TORNADIC STORM WILL BE NEAR...
RICEVILLE AROUND 640 PM CDT.
SARATOGA AROUND 650 PM CDT.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TO REPEAT...A TORNADO IS ON THE GROUND. TAKE COVER NOW. MOVE TO AN
INTERIOR ROOM ON THE LOWEST FLOOR OF A STURDY BUILDING. AVOID
WINDOWS. IF IN A MOBILE HOME...A VEHICLE OR OUTDOORS...MOVE TO THE
CLOSEST SUBSTANTIAL SHELTER AND PROTECT YOURSELF FROM FLYING DEBRIS.
&&
LAT...LON 4325 9249 4331 9267 4347 9256 4330 9226
TIME...MOT...LOC 2334Z 225DEG 23KT 4331 9252
TORNADO...OBSERVED
HAIL...<.75IN
$$
HALBACH082
WWUS53 KARX 312343
SVSARX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE LA CROSSE WI
643 PM CDT FRI MAY 31 2013
IAC131-312353-
/O.CAN.KARX.TO.W.0017.000000T0000Z-130601T0000Z/
MITCHELL IA-
643 PM CDT FRI MAY 31 2013
...THE TORNADO WARNING FOR EAST CENTRAL MITCHELL COUNTY IS
CANCELLED...
THE STORM WHICH PROMPTED THE WARNING HAS MOVED OUT OF THE WARNED
AREA.
LAT...LON 4346 9254 4330 9226 4329 9246 4333 9255
TIME...MOT...LOC 2343Z 225DEG 23KT 4335 9246
$$
IAC089-010000-
/O.CON.KARX.TO.W.0017.000000T0000Z-130601T0000Z/
HOWARD IA-
643 PM CDT FRI MAY 31 2013
...A TORNADO WARNING REMAINS IN EFFECT FOR WEST CENTRAL HOWARD COUNTY
UNTIL 700 PM CDT...
AT 641 PM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO
WAS LOCATED NEAR RICEVILLE...AND MOVING NORTHEAST AT 25 MPH.
HAZARD...DEVELOPING TORNADO.
SOURCE...WEATHER SPOTTERS REPORTED FUNNEL CLOUD. FUNNEL CLOUDS HAVE
BEEN REPORTED WITH THIS STORM SOUTH OF RICEVILLE.
IMPACT...MOBILE HOMES WILL BE HEAVILY DAMAGED OR DESTROYED.
SIGNIFICANT DAMAGE TO ROOFS...WINDOWS AND VEHICLES WILL
OCCUR. FLYING DEBRIS WILL BE DEADLY TO PEOPLE AND ANIMALS.
EXTENSIVE TREE DAMAGE IS LIKELY.
THIS DANGEROUS STORM WILL AFFECT MAINLY RURAL AREAS OF WEST CENTRAL
HOWARD COUNTY...INCLUDING THE FOLLOWING LOCATIONS SARATOGA.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE COVER NOW. MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
STURDY BUILDING. AVOID WINDOWS. IF IN A MOBILE HOME...A VEHICLE OR
OUTDOORS...MOVE TO THE CLOSEST SUBSTANTIAL SHELTER AND PROTECT
YOURSELF FROM FLYING DEBRIS.
&&
LAT...LON 4346 9254 4330 9226 4329 9246 4333 9255
TIME...MOT...LOC 2343Z 225DEG 23KT 4335 9246
TORNADO...RADAR INDICATED
HAIL...0.00IN
$$
HALBACH038 WWUS53 KARX 312348 SVSARX SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE LA CROSSE WI 648 PM CDT FRI MAY 31 2013 IAC089-312358- /O.CAN.KARX.TO.W.0017.000000T0000Z-130601T0000Z/ HOWARD IA- 648 PM CDT FRI MAY 31 2013 ...THE TORNADO WARNING FOR WEST CENTRAL HOWARD COUNTY IS CANCELLED... THE STORM WHICH PROMPTED THE WARNING HAS WEAKENED ACROSS AND MOVED OUT OF THE WARNED AREA. LAT...LON 4346 9254 4330 9226 4329 9246 4333 9255 TIME...MOT...LOC 2348Z 225DEG 23KT 4337 9243 $$ HALBACH
Nearby
Tornado Warnings in Iowa, 2013Every tornado warning in 2013Tornadoes in 2013
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.