Alert archive / Iowa / Tornado Warnings in 2013
Tornado Warning 7, NWS La Crosse, WI
NWS La Crosse, WI issued this tornado warning at May 19, 2013, 4:16 PM CDT for Howard 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
- May 19, 2013, 4:16 PM CDT (21:16 UTC)
- Expired
- May 19, 2013, 5:00 PM CDT
- In force
- 44 min
- Issued by
- NWS La Crosse, WI
- Area
- Storm-based polygon
- Tornado
- Radar indicated
- Hail
- 1.25 in
County Howard County, IA
The radar
The La Crosse radar (KARX), 109 km from the middle of the area, began a volume at 21:17 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.
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, 9.3 hours before the alert went out and 256 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.
833
WFUS53 KARX 192116
TORARX
IAC089-192200-
/O.NEW.KARX.TO.W.0007.130519T2116Z-130519T2200Z/
BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE LA CROSSE WI
416 PM CDT SUN MAY 19 2013
THE NATIONAL WEATHER SERVICE IN LA CROSSE HAS ISSUED A
* TORNADO WARNING FOR...
NORTHWESTERN HOWARD COUNTY IN NORTHEAST IOWA...
* UNTIL 500 PM CDT
* AT 413 PM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A
TORNADO WAS LOCATED NEAR RICEVILLE...AND MOVING NORTH AT 35 MPH.
HAZARD...DEVELOPING TORNADO AND HALF DOLLAR 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 NORTHWESTERN
HOWARD COUNTY...INCLUDING THE FOLLOWING LOCATIONS CHESTER.
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 9251 4350 9226 4350 9222 4331 9236
4334 9255 4335 9256
TIME...MOT...LOC 2117Z 195DEG 31KT 4341 9245
TORNADO...RADAR INDICATED
HAIL...1.25IN
$$
JW2 follow-up statements
289
WWUS53 KARX 192122
SVSARX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE LA CROSSE WI
422 PM CDT SUN MAY 19 2013
IAC089-192200-
/O.CON.KARX.TO.W.0007.000000T0000Z-130519T2200Z/
HOWARD IA-
422 PM CDT SUN MAY 19 2013
...A TORNADO WARNING REMAINS IN EFFECT FOR NORTH CENTRAL HOWARD
COUNTY UNTIL 500 PM CDT...
AT 421 PM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO
WAS LOCATED 5 MILES SOUTHEAST OF LE ROY...AND MOVING NORTH AT 35 MPH.
HAZARD...DEVELOPING TORNADO AND QUARTER SIZE HAIL.
SOURCE...RADAR INDICATED ROTATION.
IMPACT...MOBILE HOMES WILL BE HEAVILY DAMAGED OR DESTROYED.
SIGNIFICANT DAMAGE TO ROOFS...WINDOWS AND VEHICLES WILL
OCCUR. FLYING DEBRIS WILL BE DEADLY TO PEOPLE AND ANIMALS.
EXTENSIVE TREE DAMAGE IS LIKELY.
LOCATIONS IMPACTED INCLUDE...
CHESTER.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE COVER NOW. MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
STURDY BUILDING. AVOID WINDOWS. IF IN A MOBILE HOME...A VEHICLE OR
OUTDOORS...MOVE TO THE CLOSEST SUBSTANTIAL SHELTER AND PROTECT
YOURSELF FROM FLYING DEBRIS.
&&
LAT...LON 4350 9251 4350 9226 4350 9222 4341 9235
4342 9249 4344 9252
TIME...MOT...LOC 2123Z 195DEG 31KT 4347 9244
TORNADO...RADAR INDICATED
HAIL...1.00IN
$$
JW541
WWUS53 KARX 192127
SVSARX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE LA CROSSE WI
427 PM CDT SUN MAY 19 2013
IAC089-192137-
/O.CAN.KARX.TO.W.0007.000000T0000Z-130519T2200Z/
HOWARD IA-
427 PM CDT SUN MAY 19 2013
...THE TORNADO WARNING FOR NORTH CENTRAL HOWARD COUNTY IS
CANCELLED...
THE STORM WHICH PROMPTED THE WARNING HAS WEAKENED BELOW SEVERE
LIMITS.
ADDITIONAL SEVERE THUNDERSTORMS ARE STILL POSSIBLE...AND A TORNADO
WATCH REMAINS IN EFFECT UNTIL 9 PM THIS EVENING.
LAT...LON 4350 9251 4350 9226 4350 9222 4341 9235
4342 9249 4344 9252
TIME...MOT...LOC 2127Z 195DEG 31KT 4350 9243
$$
JWThe 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, 3:03 PM CDT | Tornado Warning | ARX | Floyd, Mitchell | 42 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, 4:29 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.