Alert archive / Iowa / Tornado Warnings in 2013
Tornado Warning 5, NWS La Crosse, WI
NWS La Crosse, WI issued this tornado warning at May 19, 2013, 3:03 PM CDT for Floyd County, Mitchell County, Iowa. It was in force for 42 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
- May 19, 2013, 3:03 PM CDT (20:03 UTC)
- Expired
- May 19, 2013, 3:45 PM CDT
- In force
- 42 min
- Issued by
- NWS La Crosse, WI
- Area
- Storm-based polygon
- Tornado
- Radar indicated
- Hail
- 1.5 in
Counties Floyd County, IA, Mitchell County, IA
The radar
The La Crosse radar (KARX), 146 km from the middle of the area, began a volume at 20:04 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 19, 3:09 PM CDT | TSTM WND DMG | 2 S St. Ansgar, IA | SHED BLOWN ACROSS ROAD WITH DEBRIS STILL ON POWER LINES. |
| May 19, 3:26 PM CDT | HAIL 1 | 1 W Osage, IA | LOTS OF QUARTER SIZED HAIL COVERING THE GROUND ALONG HWY 9. |
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 19, 1:10 PM CDT | Tornado Watch | SPC | 8 hr |
The nearest sounding before it
Davenport, (KDVN), launched 12:00Z, 8.1 hours before the alert went out and 270 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
- 905 J/kg
- Mixed-layer CIN
- -122 J/kg
- Mixed-layer LCL
- 846 m above ground
- 0-6 km bulk shear
- 19 kt
- 0-1 km storm-relative helicity
- 102 m²/s²
- 0-3 km storm-relative helicity
- 93 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
035
WFUS53 KARX 192003
TORARX
IAC067-131-192045-
/O.NEW.KARX.TO.W.0005.130519T2003Z-130519T2045Z/
BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE LA CROSSE WI
303 PM CDT SUN MAY 19 2013
THE NATIONAL WEATHER SERVICE IN LA CROSSE HAS ISSUED A
* TORNADO WARNING FOR...
NORTHWESTERN FLOYD COUNTY IN NORTH CENTRAL IOWA...
MITCHELL COUNTY IN NORTH CENTRAL IOWA...
* UNTIL 345 PM CDT
* AT 300 PM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A
TORNADO WAS LOCATED NEAR NORA SPRINGS...AND MOVING NORTHEAST AT 40
MPH.
HAZARD...DEVELOPING TORNADO AND PING PONG BALL SIZE HAIL.
SOURCE...RADAR INDICATED ROTATION.
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 BE NEAR...
OSAGE AROUND 320 PM CDT.
STACYVILLE AROUND 335 PM CDT.
OTHER LOCATIONS IN THE WARNING INCLUDE ROCK CREEK...STATE ROAD 9 AND
COUNTY T 26...OSAGE SPRING PARK...HIGHWAY 18 AND COUNTY T 38...
MITCHELL...HIGHWAY 218 AND COUNTY T 40...LITTLE CEDAR...MEYER AND
BAILEY.
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 4350 9281 4350 9256 4308 9293 4312 9303
4320 9303
TIME...MOT...LOC 2003Z 215DEG 36KT 4317 9297
TORNADO...RADAR INDICATED
HAIL...1.50IN
$$
ZT4 follow-up statements
785
WWUS53 KARX 192010
SVSARX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE LA CROSSE WI
310 PM CDT SUN MAY 19 2013
IAC067-131-192045-
/O.CON.KARX.TO.W.0005.000000T0000Z-130519T2045Z/
MITCHELL IA-FLOYD IA-
310 PM CDT SUN MAY 19 2013
...A TORNADO WARNING REMAINS IN EFFECT FOR NORTHWESTERN FLOYD AND
MITCHELL COUNTIES UNTIL 345 PM CDT...
AT 307 PM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO
WAS LOCATED 5 MILES NORTH OF NORA SPRINGS...AND MOVING NORTHEAST AT
40 MPH.
HAZARD...DEVELOPING TORNADO AND GOLF BALL SIZE HAIL.
SOURCE...RADAR INDICATED ROTATION.
IMPACT...MOBILE HOMES WILL BE HEAVILY DAMAGED OR DESTROYED.
SIGNIFICANT DAMAGE TO ROOFS...WINDOWS AND VEHICLES WILL
OCCUR. FLYING DEBRIS WILL BE DEADLY TO PEOPLE AND ANIMALS.
EXTENSIVE TREE DAMAGE IS LIKELY.
THIS DANGEROUS STORM WILL BE NEAR...
OSAGE AROUND 320 PM CDT.
STACYVILLE AROUND 335 PM CDT.
OTHER LOCATIONS IN THE WARNING INCLUDE...OSAGE SPRING
PARK...MITCHELL...LITTLE CEDAR...MEYER AND BAILEY.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE COVER NOW. MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
STURDY BUILDING. AVOID WINDOWS. IF IN A MOBILE HOME...A VEHICLE OR
OUTDOORS...MOVE TO THE CLOSEST SUBSTANTIAL SHELTER AND PROTECT
YOURSELF FROM FLYING DEBRIS.
&&
LAT...LON 4318 9299 4320 9303 4350 9281 4350 9256
4318 9285
TIME...MOT...LOC 2009Z 213DEG 32KT 4323 9296
TORNADO...RADAR INDICATED
HAIL...1.75IN
$$
ZT036
WWUS53 KARX 192029
SVSARX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE LA CROSSE WI
329 PM CDT SUN MAY 19 2013
IAC067-192038-
/O.CAN.KARX.TO.W.0005.000000T0000Z-130519T2045Z/
FLOYD IA-
329 PM CDT SUN MAY 19 2013
...THE TORNADO WARNING FOR NORTHWESTERN FLOYD COUNTY IS CANCELLED...
THE STORM WHICH PROMPTED THE TORNADO WARNING HAS MOVED OUT OF THE
WARNED AREA.
LAT...LON 4350 9281 4350 9256 4328 9275 4321 9282
4321 9288 4326 9298
TIME...MOT...LOC 2028Z 206DEG 33KT 4326 9285
$$
IAC131-192045-
/O.CON.KARX.TO.W.0005.000000T0000Z-130519T2045Z/
MITCHELL IA-
329 PM CDT SUN MAY 19 2013
...A TORNADO WARNING REMAINS IN EFFECT FOR MITCHELL COUNTY UNTIL 345
PM CDT...
AT 326 PM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO
WAS LOCATED NEAR OSAGE...AND MOVING NORTHEAST AT 40 MPH.
HAZARD...DEVELOPING TORNADO AND GOLF BALL SIZE HAIL.
SOURCE...RADAR INDICATED ROTATION.
IMPACT...MOBILE HOMES WILL BE HEAVILY DAMAGED OR DESTROYED.
SIGNIFICANT DAMAGE TO ROOFS...WINDOWS AND VEHICLES WILL
OCCUR. FLYING DEBRIS WILL BE DEADLY TO PEOPLE AND ANIMALS.
EXTENSIVE TREE DAMAGE IS LIKELY.
THIS DANGEROUS STORM WILL BE NEAR...
STACYVILLE AROUND 345 PM CDT.
OTHER LOCATIONS IN THE WARNING INCLUDE OSAGE...LITTLE CEDAR AND
MEYER.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE COVER NOW. MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
STURDY BUILDING. AVOID WINDOWS. IF IN A MOBILE HOME...A VEHICLE OR
OUTDOORS...MOVE TO THE CLOSEST SUBSTANTIAL SHELTER AND PROTECT
YOURSELF FROM FLYING DEBRIS.
&&
LAT...LON 4350 9281 4350 9256 4328 9275 4321 9282
4321 9288 4326 9298
TIME...MOT...LOC 2028Z 206DEG 33KT 4326 9285
TORNADO...RADAR INDICATED
HAIL...1.75IN
$$
ZT591
WWUS53 KARX 192036
SVSARX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE LA CROSSE WI
336 PM CDT SUN MAY 19 2013
IAC131-192045-
/O.CON.KARX.TO.W.0005.000000T0000Z-130519T2045Z/
MITCHELL IA-
336 PM CDT SUN MAY 19 2013
...A TORNADO WARNING REMAINS IN EFFECT FOR MITCHELL COUNTY UNTIL 345
PM CDT...
AT 334 PM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO
WAS LOCATED NEAR OSAGE...AND MOVING NORTHEAST AT 40 MPH.
HAZARD...DEVELOPING TORNADO AND GOLF BALL SIZE HAIL.
SOURCE...RADAR INDICATED ROTATION.
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 MITCHELL
COUNTY...INCLUDING THE FOLLOWING LOCATIONS HIGHWAY 218 AND COUNTY T
40 AND LITTLE CEDAR.
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 4350 9281 4350 9256 4328 9275 4326 9277
4325 9283 4335 9291
TIME...MOT...LOC 2036Z 217DEG 29KT 4329 9280
TORNADO...RADAR INDICATED
HAIL...1.75IN
$$
ZT629
WWUS53 KARX 192042
SVSARX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE LA CROSSE WI
342 PM CDT SUN MAY 19 2013
IAC131-192052-
/O.EXP.KARX.TO.W.0005.000000T0000Z-130519T2045Z/
MITCHELL IA-
342 PM CDT SUN MAY 19 2013
...THE TORNADO WARNING FOR CENTRAL MITCHELL COUNTY WILL EXPIRE AT
345 PM CDT...
THE TORNADO THREAT HAS DIMINISHED...THEREFORE THE TORNADO WARNING HAS
EXPIRED. HOWEVER...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT
FOR THE AREA. ANOTHER TORNADO WARNING REMAINS IN EFFECT FOR
SOUTHEASTERN MITCHELL COUNTY.
ADDITIONAL STRONG THUNDERSTORMS ARE STILL POSSIBLE...AND A TORNADO
WATCH REMAINS IN EFFECT UNTIL 900 PM.
LAT...LON 4350 9281 4350 9256 4328 9275 4326 9277
4325 9283 4335 9291
TIME...MOT...LOC 2042Z 217DEG 29KT 4333 9276
$$
ZTThe office that day
Everything else NWS La Crosse, WI issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 19, 3:39 AM CDT | Flash Flood Watch | ARX | Mitchell | 35 hr |
| May 19, 2:56 PM CDT | Severe Thunderstorm Warning | ARX | Floyd, Mitchell | 64 min |
| May 19, 3:28 PM CDT | Severe Thunderstorm Warning | ARX | Chickasaw, Floyd, Howard, Mitchell | 47 min |
| May 19, 3:36 PM CDT | Tornado Warning | ARX | Chickasaw, Floyd, Howard, Mitchell | 39 min |
| May 19, 3:53 PM CDT | Severe Thunderstorm Warning | ARX | Mitchell | 37 min |
| May 19, 4:16 PM CDT | Tornado Warning | ARX | Howard | 44 min |
| May 19, 4:29 PM CDT | Severe Thunderstorm Warning | ARX | Howard, Mitchell | 46 min |
| May 19, 4:44 PM CDT | Flash Flood Warning | ARX | Howard, Mitchell | 6 hr |
| May 19, 5:20 PM CDT | Severe Thunderstorm Warning | ARX | Floyd, Mitchell | 40 min |
| May 19, 5:55 PM CDT | Flash Flood Warning | ARX | Floyd, Howard, Mitchell | 6 hr |
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.