Alert archive / Iowa / Tornado Warnings in 2005
Tornado Warning 9, NWS Des Moines, IA
NWS Des Moines, IA issued this tornado warning at May 18, 2005, 7:14 PM CDT for Webster County, Iowa. It was in force for 31 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 18, 2005, 7:14 PM CDT (00:14 UTC)
- Expired
- May 18, 2005, 7:45 PM CDT
- In force
- 31 min
- Issued by
- NWS Des Moines, IA
- Area
- Counties, with a storm outline in the text
County Webster County, IA
The radar
The Des Moines radar (KDMX), 80 km from the middle of the area, began a volume at 00:13 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 nearest sounding before it
Omaha, NE (KOAX), launched 00:00Z, 0.2 hours before the alert went out and 217 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 2275 m above ground
- 0-6 km bulk shear
- 25 kt
- 0-1 km storm-relative helicity
- 20 m²/s²
- 0-3 km storm-relative helicity
- 78 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 WFUS53 KDMX 190015 TORDMX IAC187-190045- /O.NEW.KDMX.TO.W.0009.050519T0014Z-050519T0045Z/ BULLETIN - EAS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE DES MOINES IA 714 PM CDT WED MAY 18 2005 THE NATIONAL WEATHER SERVICE IN DES MOINES HAS ISSUED A * TORNADO WARNING FOR... SOUTHERN WEBSTER COUNTY IN CENTRAL IOWA. * UNTIL 745 PM CDT. * AT 714 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THIS DANGEROUS STORM WAS LOCATED NEAR GOWRIE...OR 14 MILES SOUTH OF FORT DODGE... AND MOVING NORTHEAST AT 20 MPH. * THIS STORM WILL BE... 4 MILES NORTHWEST OF HARCOURT BY 720 PM CDT. 5 MILES SOUTHEAST OF OTHO BY 735 PM CDT. NEAR LEHIGH BY 740 PM CDT. THE LOCATION OF CALLENDER IS ALSO IN THE PATH. AT 709 PM CDT...A SPOTTER REPORTED A TORNADO ON THE GROUND 3 MILES NORTHEAST OF GOWRIE. 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. LAT...LON 4239 9433 4224 9424 4229 9394 4253 9398 $$
2 follow-up statements
000 WWUS53 KDMX 190023 SVSDMX SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE DES MOINES IA 722 PM CDT WED MAY 18 2005 IAC187-190045- /O.CON.KDMX.TO.W.0009.000000T0000Z-050519T0045Z/ WEBSTER IA- 722 PM CDT WED MAY 18 2005 ...A TORNADO WARNING CONTINUES FOR SOUTHERN WEBSTER COUNTY UNTIL 745 PM CDT... AT 718 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THIS DANGEROUS STORM WAS LOCATED NEAR GOWRIE...OR 13 MILES SOUTH OF FORT DODGE...AND MOVING NORTHEAST AT 25 MPH. THIS TORNADIC STORM WILL BE... 6 MILES NORTHWEST OF HARCOURT BY 720 PM CDT. NEAR OTHO BY 735 PM CDT. NEAR LEHIGH BY 740 PM CDT. 5 MILES SOUTHWEST OF DUNCOMBE BY 745 PM CDT. THE LOCATION OF CALLENDER IS ALSO IN THE PATH OF THIS TORNADO. AT 718 PM...SPOTTERS INDICATED THE TORNADO HAD LIFTED FROM THE GROUND. IF SEVERE WEATHER WAS OBSERVED...CONTACT THE NATIONAL WEATHER SERVICE OFFICE IN DES MOINES AT 1-800-759-9276. LAT...LON 4239 9433 4224 9424 4229 9394 4253 9398 $$
000 WWUS53 KDMX 190038 SVSDMX SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE DES MOINES IA 737 PM CDT WED MAY 18 2005 IAC187-190045- /O.CON.KDMX.TO.W.0009.000000T0000Z-050519T0045Z/ WEBSTER IA- 737 PM CDT WED MAY 18 2005 ...A TORNADO WARNING CONTINUES FOR CENTRAL WEBSTER COUNTY UNTIL 745 PM CDT... AT 735 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THIS DANGEROUS STORM WAS LOCATED 6 MILES NORTHEAST OF GOWRIE...OR 11 MILES SOUTH OF FORT DODGE...AND MOVING NORTHEAST AT 20 MPH. THIS TORNADIC STORM WILL BE... NEAR OTHO BY 745 PM CDT. THE LOCATION OF LEHIGH IS ALSO IN THE PATH OF THIS TORNADO. SPOTTERS INDICATED A TORNADO NEAR THE GROUND JUST NORTHEAST OF CALLENDAR AT 735 PM. IF SEVERE WEATHER WAS OBSERVED...CONTACT THE NATIONAL WEATHER SERVICE OFFICE IN DES MOINES AT 1-800-759-9276. LAT...LON 4242 9424 4226 9420 4229 9395 4253 9399 $$
The office that day
Everything else NWS Des Moines, IA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 18, 7:46 PM CDT | Tornado Warning | DMX | Hamilton, Webster | 44 min |
| May 18, 8:33 PM CDT | Tornado Warning | DMX | Hamilton | 17 min |
Nearby
Tornado Warnings in Iowa, 2005Every tornado warning in 2005Tornadoes in 2005
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.