Alert archive / Iowa / Tornado Warnings in 2005
Tornado Warning 10, NWS Des Moines, IA
NWS Des Moines, IA issued this tornado warning at May 18, 2005, 7:46 PM CDT for Hamilton County, Webster 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 18, 2005, 7:46 PM CDT (00:46 UTC)
- Expired
- May 18, 2005, 8:30 PM CDT
- In force
- 44 min
- Issued by
- NWS Des Moines, IA
- Area
- Counties, with a storm outline in the text
Counties Hamilton County, IA, Webster County, IA
The radar
The Des Moines radar (KDMX), 80 km from the middle of the area, began a volume at 00:48 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, 0.8 hours before the alert went out and 232 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 190046 TORDMX IAC079-187-190130- /O.NEW.KDMX.TO.W.0010.050519T0046Z-050519T0130Z/ BULLETIN - EAS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE DES MOINES IA 746 PM CDT WED MAY 18 2005 THE NATIONAL WEATHER SERVICE IN DES MOINES HAS ISSUED A * TORNADO WARNING FOR... NORTHWESTERN HAMILTON COUNTY IN CENTRAL IOWA. EASTERN WEBSTER COUNTY IN CENTRAL IOWA. * UNTIL 830 PM CDT. * AT 743 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THIS DANGEROUS STORM WAS LOCATED 9 MILES NORTHEAST OF GOWRIE...OR 9 MILES SOUTH OF FORT DODGE...AND MOVING EAST AT 20 MPH. * THIS STORM WILL BE... NEAR LEHIGH BY 755 PM CDT. NEAR DUNCOMBE BY 810 PM CDT. NEAR WEBSTER CITY MUNICIPAL BY 825 PM CDT. NEAR WEBSTER CITY BY 830 PM CDT. THE LOCATION OF OTHO IS ALSO IN THE PATH. 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 4245 9422 4228 9415 4238 9364 4256 9373 $$
3 follow-up statements
000 WWUS53 KDMX 190103 SVSDMX SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE DES MOINES IA 802 PM CDT WED MAY 18 2005 IAC079-187-190130- /O.CON.KDMX.TO.W.0010.000000T0000Z-050519T0130Z/ WEBSTER IA-HAMILTON IA- 802 PM CDT WED MAY 18 2005 ...A TORNADO WARNING CONTINUES FOR NORTHWESTERN HAMILTON AND EASTERN WEBSTER COUNTIES UNTIL 830 PM CDT... AT 801 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THIS DANGEROUS STORM WAS LOCATED 10 MILES SOUTHEAST OF FORT DODGE...AND MOVING EAST AT 15 MPH. THIS TORNADIC STORM WILL BE... 5 MILES SOUTH OF DUNCOMBE BY 815 PM CDT. NEAR WEBSTER CITY MUNICIPAL BY 830 PM CDT. AT 758 PM CDT...TRAINED SPOTTERS REPORTED A TORNADO TOUCHING DOWN INTERMITTENTLY ABOUT 5 MILES NORTH OF LEHIGH. LAT...LON 4248 9407 4231 9402 4238 9364 4256 9373 $$
000 WWUS53 KDMX 190112 SVSDMX SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE DES MOINES IA 811 PM CDT WED MAY 18 2005 IAC079-187-190130- /O.CON.KDMX.TO.W.0010.000000T0000Z-050519T0130Z/ WEBSTER IA-HAMILTON IA- 811 PM CDT WED MAY 18 2005 ...A TORNADO WARNING CONTINUES FOR NORTHWESTERN HAMILTON AND EASTERN WEBSTER COUNTIES UNTIL 830 PM CDT... AT 809 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THIS DANGEROUS STORM WAS LOCATED 11 MILES SOUTHWEST OF WEBSTER CITY...OR 12 MILES SOUTHEAST OF FORT DODGE...AND MOVING EAST AT 15 MPH. THIS TORNADIC STORM WILL BE... 5 MILES SOUTH OF DUNCOMBE BY 815 PM CDT. NEAR WEBSTER CITY MUNICIPAL BY 830 PM CDT. SPOTTERS JUST NORTH AND EAST OF LEHIGH REPORT A WALL CLOUD...BUT NO INDICATION OF A TORNADO AT THIS TIME. READAR INDICATED THE STORM WAS BEGINNING TO WEAKEN AS WELL. LAT...LON 4249 9404 4232 9400 4238 9365 4256 9373 $$
000
WWUS53 KDMX 190121
SVSDMX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE DES MOINES IA
820 PM CDT WED MAY 18 2005
IAC187-190130-
/O.CAN.KDMX.TO.W.0010.000000T0000Z-050519T0130Z/
WEBSTER IA-
820 PM CDT WED MAY 18 2005
...THE TORNADO WARNING FOR EASTERN WEBSTER COUNTY HAS BEEN
CANCELLED...
AT 818 PM CDT...WEATHER SERVICE DOPPLER RADAR INDICATED THAT THE
THUNDERSTORMS WHICH PROMPTED THE WARNING HAVE EITHER WEAKENED OR
MOVED OUT OF THE AREA...AND NO LONGER POSE AN IMMEDIATE THREAT TO
LIFE OR PROPERTY. THEREFORE...THE TORNADO WARNING HAS BEEN CANCELLED.
LAT...LON 4255 9351 4247 9351 4246 9348 4221 9348
4221 9393 4246 9393 4248 9397 4255 9397
$$
IAC079-190130-
/O.CON.KDMX.TO.W.0010.000000T0000Z-050519T0130Z/
HAMILTON IA-
820 PM CDT WED MAY 18 2005
...A TORNADO WARNING CONTINUES FOR HAMILTON COUNTY UNTIL 830 PM
CDT...
AT 818 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THIS DANGEROUS
STORM WAS LOCATED 7 MILES SOUTHWEST OF WEBSTER CITY...OR 14 MILES
SOUTHEAST OF FORT DODGE...AND MOVING EAST AT 25 MPH.
THIS TORNADIC STORM WILL BE...
NEAR WEBSTER CITY MUNICIPAL BY 825 PM CDT.
NEAR WEBSTER CITY BY 830 PM CDT.
SPOTTERS REPORTED A WELL CLOUDY AND OCCASIONAL FUNNEL CLOUD ABOUT 5
MILES WEST OF WEBSTER COUNTY.
LAT...LON 4255 9351 4247 9351 4246 9348 4221 9348
4221 9393 4246 9393 4248 9397 4255 9397
$$The office that day
Everything else NWS Des Moines, IA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 18, 7:14 PM CDT | Tornado Warning | DMX | Webster | 31 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.