Alert archive / Iowa / Tornado Warnings in 2007
Tornado Warning 33, NWS Des Moines, IA
NWS Des Moines, IA issued this tornado warning at Aug 8, 2007, 7:15 PM CDT for Taylor County, Iowa. It was in force for 45 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
- Aug 8, 2007, 7:15 PM CDT (00:15 UTC)
- Expired
- Aug 8, 2007, 8:00 PM CDT
- In force
- 45 min
- Issued by
- NWS Des Moines, IA
- Area
- Counties, with a storm outline in the text
County Taylor County, IA
The radar
The Des Moines radar (KDMX), 150 km from the middle of the area, began a volume at 00:15 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 |
|---|---|---|---|
| Aug 8, 4:43 PM CDT | Tornado Watch | SPC | 7 hr |
The nearest sounding before it
Omaha, NE (KOAX), launched 00:00Z, 0.3 hours before the alert went out and 157 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
- 1742 J/kg
- Mixed-layer CIN
- -11 J/kg
- Mixed-layer LCL
- 877 m above ground
- 0-6 km bulk shear
- 30 kt
- 0-1 km storm-relative helicity
- 65 m²/s²
- 0-3 km storm-relative helicity
- 108 m²/s²
- Significant tornado parameter
- 0.4
- Supercell composite
- 3.7
The text
As transmitted, in the capitals the NWS used until 2016.
000 WFUS53 KDMX 090014 TORDMX IAC173-090100- /O.NEW.KDMX.TO.W.0033.070809T0015Z-070809T0100Z/ BULLETIN - EAS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE DES MOINES IA 715 PM CDT WED AUG 8 2007 THE NATIONAL WEATHER SERVICE IN DES MOINES HAS ISSUED A * TORNADO WARNING FOR... SOUTHERN TAYLOR COUNTY IN SOUTHWEST IOWA... * UNTIL 800 PM CDT * AT 711 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO 12 MILES SOUTHWEST OF BEDFORD...OR ABOUT 13 MILES NORTH OF MARYVILLE... MOVING NORTHEAST AT 30 MPH. * THE TORNADO WILL BE NEAR... 7 MILES SOUTHEAST OF BEDFORD BY 730 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 MIDNIGHT CDT THURSDAY MORNING FOR SOUTHERN IOWA. LAT...LON 4061 9492 4074 9448 4058 9448 4057 9492 TIME...MOT...LOC 0015Z 247DEG 27KT 4054 9481 $$ JUNGBLUTH
3 follow-up statements
000 WWUS53 KDMX 090033 SVSDMX SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE DES MOINES IA 733 PM CDT WED AUG 8 2007 IAC173-090100- /O.CON.KDMX.TO.W.0033.000000T0000Z-070809T0100Z/ TAYLOR IA- 733 PM CDT WED AUG 8 2007 ...A TORNADO WARNING REMAINS IN EFFECT UNTIL 800 PM CDT FOR SOUTHERN TAYLOR COUNTY... AT 732 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO INDICATE A TORNADO. THIS TORNADO WAS LOCATED 7 MILES SOUTH OF BEDFORD...OR ABOUT 17 MILES NORTH OF MARYVILLE...MOVING NORTHEAST AT 20 MPH. THE TORNADO WILL BE NEAR... 5 MILES SOUTHEAST OF BEDFORD BY 745 PM CDT... ATHELSTAN AND 6 MILES WEST OF BLOCKTON BY 800 PM CDT... SEEK SHELTER IN A BASEMENT...OR IN AN INTERIOR ROOM. STAY AWAY FROM WINDOWS. IF YOU ARE IN A CAR OR OUTSIDE...SEEK SHELTER IN A REINFORCED BUILDING. A TORNADO WATCH REMAINS IN EFFECT UNTIL MIDNIGHT CDT THURSDAY MORNING FOR SOUTHERN IOWA. LAT...LON 4061 9492 4074 9448 4058 9448 4057 9492 TIME...MOT...LOC 0033Z 241DEG 19KT 4057 9476 $$ JUNGBLUTH
000 WWUS53 KDMX 090051 SVSDMX SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE DES MOINES IA 750 PM CDT WED AUG 8 2007 IAC173-090100- /O.CON.KDMX.TO.W.0033.000000T0000Z-070809T0100Z/ TAYLOR IA- 750 PM CDT WED AUG 8 2007 ...A TORNADO WARNING REMAINS IN EFFECT UNTIL 800 PM CDT FOR SOUTHERN TAYLOR COUNTY... AT 749 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO INDICATE A TORNADO. THIS TORNADO WAS LOCATED NEAR ATHELSTAN...OR ABOUT 20 MILES NORTHEAST OF MARYVILLE...MOVING EAST AT 30 MPH. THE TORNADO WILL BE NEAR... ATHELSTAN BY 755 PM CDT... BLOCKTON BY 800 PM CDT... THE TORNADO SIGNATURE CONTINUES TO REMAIN NEAR THE MISSOURI BORDER. SEEK SHELTER IN A BASEMENT...OR IN AN INTERIOR ROOM. STAY AWAY FROM WINDOWS. IF YOU ARE IN A CAR OR OUTSIDE...SEEK SHELTER IN A REINFORCED BUILDING. HEAVY RAINFALL MAY OBSCURE THIS TORNADO. TAKE COVER NOW IF YOU WAIT TO SEE OR HEAR IT COMING...IT MAY BE TOO LATE TO GET TO A SAFE PLACE. BE AWARE OF EXTREME RAINFALL RATES AND ROADWAY FLOODING IN EXTREME SOUTHERN TAYLOR COUNTY. A TORNADO WATCH REMAINS IN EFFECT UNTIL MIDNIGHT CDT THURSDAY MORNING FOR SOUTHERN IOWA. LAT...LON 4061 9492 4074 9448 4058 9448 4057 9492 TIME...MOT...LOC 0050Z 252DEG 29KT 4057 9462 $$ JUNGBLUTH
000 WWUS53 KDMX 090103 SVSDMX SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE DES MOINES IA 802 PM CDT WED AUG 8 2007 IAC173-090112- /O.EXP.KDMX.TO.W.0033.000000T0000Z-070809T0100Z/ TAYLOR IA- 802 PM CDT WED AUG 8 2007 ...THE TORNADO WARNING FOR SOUTHERN TAYLOR COUNTY EXPIRED AT 800 PM CDT... AT 757 PM CDT...WEATHER SERVICE DOPPLER RADAR INDICATED THAT THE THUNDERSTORM ROTATION WHICH PROMPTED THE WARNING HAS MOVED OUT OF THE AREA. THEREFORE...THE TORNADO WARNING HAS BEEN ALLOWED TO EXPIRE. HOWEVER...INTENSE RAINFALL CONTINUES SOUTHEAST OF BEDFORD SO BE ALERT FOR ROADWAY FLOODING AND PONDING OF WATER. REPORT TORNADOES...WIND IN EXCESS OF 50 MPH...HAIL LARGER THAN ONE HALF INCH...OR STORM DAMAGE BY CALLING LOCAL LAW ENFORCEMENT AND ASKING THEM TO RELAY THE REPORT TO THE NATIONAL WEATHER SERVICE. A TORNADO WATCH REMAINS IN EFFECT UNTIL MIDNIGHT CDT THURSDAY MORNING FOR SOUTHERN IOWA. LAT...LON 4061 9492 4074 9448 4058 9448 4057 9492 TIME...MOT...LOC 0051Z 252DEG 29KT 4057 9461 $$ JUNGBLUTH
The office that day
Everything else NWS Des Moines, IA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 8, 7:57 PM CDT | Severe Thunderstorm Warning | DMX | Ringgold | 48 min |
| Aug 8, 8:02 PM CDT | Flash Flood Warning | DMX | Ringgold, Taylor | 6 hr |
| Aug 8, 8:32 PM CDT | Severe Thunderstorm Warning | DMX | Decatur | 43 min |
| Aug 8, 8:54 PM CDT | Flash Flood Warning | DMX | Mahaska | 6 hr |
Nearby
Tornado Warnings in Iowa, 2007Every tornado warning in 2007Tornadoes in 2007
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.