Alert archive / Iowa / Tornado Warnings in 2008
Tornado Warning 18, NWS La Crosse, WI
NWS La Crosse, WI issued this tornado warning at Jun 7, 2008, 3:35 PM CDT for Chickasaw County, Howard County, Iowa. It was in force for 40 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 7, 2008, 3:35 PM CDT (20:35 UTC)
- Expired
- Jun 7, 2008, 4:15 PM CDT
- In force
- 40 min
- Issued by
- NWS La Crosse, WI
- Area
- Storm-based polygon
Counties Chickasaw County, IA, Howard County, IA
The radar
The La Crosse radar (KARX), 114 km from the middle of the area, began a volume at 20:37 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 |
|---|---|---|---|
| Jun 7, 12:17 PM CDT | Tornado Watch | SPC | 8 hr |
The nearest sounding before it
Minneapolis, MN (KMPX), launched 12:00Z, 8.6 hours before the alert went out and 211 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
- 131 J/kg
- Mixed-layer CIN
- -253 J/kg
- Mixed-layer LCL
- 1341 m above ground
- 0-6 km bulk shear
- 74 kt
- 0-1 km storm-relative helicity
- 318 m²/s²
- 0-3 km storm-relative helicity
- 357 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.3
The text
As transmitted, in the capitals the NWS used until 2016.
000 WFUS53 KARX 072035 TORARX IAC037-089-072115- /O.NEW.KARX.TO.W.0018.080607T2035Z-080607T2115Z/ BULLETIN - EAS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE LA CROSSE WI 335 PM CDT SAT JUN 7 2008 THE NATIONAL WEATHER SERVICE IN LA CROSSE HAS ISSUED A * TORNADO WARNING FOR... NORTHERN CHICKASAW COUNTY IN NORTHEAST IOWA... SOUTHEASTERN HOWARD COUNTY IN NORTHEAST IOWA... * UNTIL 415 PM CDT * AT 333 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A TORNADO NEAR DEVON...OR 6 MILES NORTHWEST OF NEW HAMPTON...MOVING NORTHEAST AT 46 MPH. * THE TORNADO WILL BE NEAR... JERICO AROUND 340 PM... SAUDE AROUND 345 PM... PROTIVIN AROUND 350 PM... CRESCO AROUND 400 PM. TAKE COVER IN A BASEMENT OR IN AN INTERIOR ROOM ON THE LOWEST FLOOR AND STAY AWAY FROM WINDOWS A TORNADO WATCH REMAINS IN EFFECT UNTIL 800 PM SATURDAY EVENING FOR NORTHEASTERN IOWA AND SOUTHEAST MINNESOTA AND SOUTHWESTERN WISCONSIN. LAT...LON 4321 9248 4340 9208 4311 9209 4306 9243 TIME...MOT...LOC 2035Z 239DEG 40KT 4315 9234 $$ SHEA
4 follow-up statements
000 WWUS53 KARX 072044 SVSARX SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE LA CROSSE WI 343 PM CDT SAT JUN 7 2008 IAC037-089-072115- /O.CON.KARX.TO.W.0018.000000T0000Z-080607T2115Z/ HOWARD IA-CHICKASAW IA- 343 PM CDT SAT JUN 7 2008 ...A TORNADO WARNING REMAINS IN EFFECT UNTIL 415 PM CDT FOR NORTHERN CHICKASAW AND SOUTHEASTERN HOWARD COUNTIES... AT 340 PM...DOPPLER RADAR SHOWED STRONG ROTATION AND A POSSIBLE TORNADO IN RURAL NORTHERN CHICKASAW COUNTY...ABOUT 8 MILES NORTH OF NEW HAMPTON...MOVING NORTHEAST AT 45 MPH. * THE TORNADO WILL BE NEAR... SAUDE AND LITTLE TURKEY AROUND 350 PM... PROTIVIN AROUND 355 PM... CRESCO AROUND 400 PM... LAT...LON 4321 9248 4340 9208 4311 9209 4306 9243 TIME...MOT...LOC 2043Z 239DEG 39KT 4317 9224 $$ SHEA
000 WWUS53 KARX 072053 SVSARX SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE LA CROSSE WI 352 PM CDT SAT JUN 7 2008 IAC037-089-072115- /O.CON.KARX.TO.W.0018.000000T0000Z-080607T2115Z/ HOWARD IA-CHICKASAW IA- 352 PM CDT SAT JUN 7 2008 ...A TORNADO WARNING REMAINS IN EFFECT UNTIL 415 PM CDT FOR NORTHERN CHICKASAW AND SOUTHEASTERN HOWARD COUNTIES... AT 351 PM...DOPPLER RADAR CONTINUED TO INDICATE A TORNADO IN RURAL NORTHEAST CHICKASAW COUNTY. THIS TORNADO WAS LOCATED NEAR JACKSONVILLE...OR ABOUT 9 MILES NORTHEAST OF NEW HAMPTON...MOVING NORTHEAST AT 45 MPH. ANOTHER SEVERE THUNDERSTORM IS MOVING IN FROM FLOYD COUNTY AND MAY PASS NEAR THE ALTA VISTA AREA. * THE TORNADO WILL BE NEAR... PROTIVIN AROUND 400 PM... ALTA VISTA AROUND 405 PM... TO CALL YOUR SEVERE WEATHER REPORT DIRECTLY INTO THE NATIONAL WEATHER SERVICE DIAL 6 0 8 7 8 2 1 8 9 4. LAT...LON 4321 9248 4340 9208 4311 9209 4306 9243 TIME...MOT...LOC 2052Z 239DEG 39KT 4315 9217 $$ SHEA
000 WWUS53 KARX 072107 SVSARX SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE LA CROSSE WI 405 PM CDT SAT JUN 7 2008 IAC037-089-072115- /O.CON.KARX.TO.W.0018.000000T0000Z-080607T2115Z/ HOWARD IA-CHICKASAW IA- 405 PM CDT SAT JUN 7 2008 ...A TORNADO WARNING REMAINS IN EFFECT UNTIL 415 PM CDT FOR NORTHERN CHICKASAW AND SOUTHEASTERN HOWARD COUNTIES... AT 400 PM...DOPPLER RADAR CONTINUED TO INDICATE STRONG ROTATION AND POSSIBLE TORNADO NEAR PROTIVIN...OR ABOUT 11 MILES SOUTH OF CRESCO IOWA...MOVING NORTHEAST AT 45 MPH. THERE ARE ALSO SEVERE THUNDERSTORMS THAT COULD DEVELOP A TORNADO NEAR ALTA VISTA. THESE STORMS WILL CONTINUE TO IMPACT MAINLY RURAL AREAS OF NORTHERN CHICKASAW COUNTY...FROM ALTA VISTA OVER TOWARDS PROTIVIN WITH A CHANCE THAT FAR SOUTHERN HOWARD COUNTY COULD SEE FUNNEL CLOUDS OR TORNADO ACTIVITY AS WELL. TO CALL YOUR SEVERE WEATHER REPORT DIRECTLY INTO THE NATIONAL WEATHER SERVICE DIAL 6 0 8 7 8 2 1 8 9 4. LAT...LON 4321 9248 4340 9208 4311 9209 4306 9243 TIME...MOT...LOC 2105Z 239DEG 39KT 4322 9212 $$ SHEA
000 WWUS53 KARX 072114 SVSARX SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE LA CROSSE WI 414 PM CDT SAT JUN 7 2008 IAC037-089-072123- /O.EXP.KARX.TO.W.0018.000000T0000Z-080607T2115Z/ HOWARD IA-CHICKASAW IA- 414 PM CDT SAT JUN 7 2008 ...THE TORNADO WARNING FOR NORTHERN CHICKASAW AND SOUTHEASTERN HOWARD COUNTIES EXPIRES AT 415 PM CDT... THE STORMS WHICH PROMPTED THIS WARNING HAS WEAKENED AND NO LONGER APPEARS CAPABLE OF PRODUCING SEVERE WEATHER. THESE STORMS WERE NOW NEAR RIDGEWAY IN WINNESHIEK COUNTY...WEST OF DECORAH IOWA...AND ANOTHER ONE NEAR ALTA VISTA AND ELMA IOWA ALONG THE HOWARD AND CHICKASAW COUNTY LINE...MOVING NORTHEAST AT 45 MPH. A TORNADO WATCH REMAINS IN EFFECT FOR THE AREA UNTIL 8 PM. TO CALL YOUR SEVERE WEATHER REPORT DIRECTLY INTO THE NATIONAL WEATHER SERVICE DIAL 6 0 8 7 8 2 1 8 9 4. LAT...LON 4321 9248 4340 9208 4311 9209 4306 9243 TIME...MOT...LOC 2113Z 239DEG 39KT 4325 9201 $$ SHEA
The office that day
Everything else NWS La Crosse, WI issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 7, 4:02 AM CDT | Flash Flood Watch | ARX | Allamakee, Chickasaw, Clayton, Fayette, Floyd, Howard and 2 more | 44 hr |
| Jun 7, 12:52 PM CDT | Tornado Warning | ARX | Clayton | 23 min |
| Jun 7, 1:17 PM CDT | Tornado Warning | ARX | Allamakee, Clayton | 43 min |
| Jun 7, 2:49 PM CDT | Tornado Warning | ARX | Chickasaw | 26 min |
| Jun 7, 3:41 PM CDT | Tornado Warning | ARX | Chickasaw, Floyd | 34 min |
| Jun 7, 4:35 PM CDT | Tornado Warning | ARX | Mitchell | 40 min |
| Jun 7, 5:22 PM CDT | Tornado Warning | ARX | Mitchell | 38 min |
| Jun 7, 6:00 PM CDT | Severe Thunderstorm Warning | ARX | Mitchell | 30 min |
| Jun 7, 6:03 PM CDT | Flash Flood Warning | ARX | Mitchell | 6 hr |
| Jun 7, 6:18 PM CDT | Flash Flood Warning | ARX | Howard | 6 hr |
| Jun 7, 6:21 PM CDT | Severe Thunderstorm Warning | ARX | Howard | 54 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.