Alert archive / Iowa / Tornado Warnings in 2005
Tornado Warning 30, NWS Des Moines, IA
NWS Des Moines, IA issued this tornado warning at Nov 12, 2005, 4:56 PM CST for Story County, Iowa. It was in force for 34 min. 5 reports came from inside the area while it was in force.
The area
The outline as issued, with what was reported inside it.
The facts
- Issued
- Nov 12, 2005, 4:56 PM CST (22:56 UTC)
- Expired
- Nov 12, 2005, 5:30 PM CST
- In force
- 34 min
- Issued by
- NWS Des Moines, IA
- Area
- Counties, with a storm outline in the text
County Story County, IA
The radar
The Des Moines radar (KDMX), 36 km from the middle of the area, began a volume at 22:58 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Nov 12, 5:02 PM CST | TORNADO | 1 W Ames, IA | REPORTED BY LAW ENFORCEMENT. JUST NORTH OF HIGHWAY 30. |
| Nov 12, 5:02 PM CST | TORNADO | Ames, IA | |
| Nov 12, 5:12 PM CST | TORNADO | Gilbert, IA | REPORTED BY STORM CHASER IN THE GILBERT VICINITY. |
| Nov 12, 5:23 PM CST | TORNADO | 1 N Roland, IA | |
| Nov 12, 5:25 PM CST | TORNADO 0 | 6 Ene Roland, IA | REPORTED BY STORM CHASERS. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Nov 12, 1:44 PM CST | Tornado Watch | SPC | 6 hr |
The nearest sounding before it
Omaha, NE (KOAX), launched 12:00Z, 10.9 hours before the alert went out and 247 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
- 1049 m above ground
- 0-6 km bulk shear
- 43 kt
- 0-1 km storm-relative helicity
- 155 m²/s²
- 0-3 km storm-relative helicity
- 136 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 122256 TORDMX IAC169-122330- /O.NEW.KDMX.TO.W.0030.051112T2256Z-051112T2330Z/ BULLETIN - EAS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE DES MOINES IA 456 PM CST SAT NOV 12 2005 THE NATIONAL WEATHER SERVICE IN DES MOINES HAS ISSUED A * TORNADO WARNING FOR... STORY COUNTY IN CENTRAL IOWA. * UNTIL 530 PM CST. * AT 453 PM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS TRACKING A SEVERE THUNDERSTORM WITH A CONFIRMED TORNADO NEAR AMES...OR 33 MILES NORTH OF DES MOINES. THE STORM WAS MOVING NORTHEAST AT 55 MPH. * THE TORNADO WILL BE... NEAR MCCALLSBURG BY 505 PM CST. THE LOCATIONS OF GILBERT AND ROLAND ARE 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 4191 9371 4192 9333 4221 9330 4221 9372 $$ VACHALEK
4 follow-up statements
000 WWUS53 KDMX 122259 SVSDMX SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE DES MOINES IA 459 PM CST SAT NOV 12 2005 IAC169-122330- /O.CON.KDMX.TO.W.0030.000000T0000Z-051112T2330Z/ STORY IA- 459 PM CST SAT NOV 12 2005 ...A TORNADO WARNING REMAINS IN EFFECT FOR STORY COUNTY UNTIL 530 PM CST... AT 458 PM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS TRACKING A SEVERE THUNDERSTORM WITH A CONFIRMED TORNADO. THIS DANGEROUS STORM WAS LOCATED NEAR AMES...OR 34 MILES NORTH OF DES MOINES...AND MOVING NORTHEAST AT 55 MPH. THIS TORNADIC STORM WILL BE... FUNNEL CLOUD HAS BEEN REPORTED 3 MILES NORTHWEST OF JACK TRICE STADIUM IN AMES. NEAR ROLAND BY 505 PM CST. NEAR MCCALLSBURG BY 510 PM CST. 5 MILES NORTHWEST OF ZEARING BY 515 PM CST. THE LOCATION OF GILBERT IS ALSO IN THE PATH OF THIS TORNADO. A TORNADO WATCH REMAINS IN EFFECT UNTIL 900 PM CST SATURDAY EVENING FOR IOWA. LAT...LON 4191 9371 4192 9331 4221 9330 4221 9371 $$ VACHALEK
000 WWUS53 KDMX 122306 SVSDMX SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE DES MOINES IA 505 PM CST SAT NOV 12 2005 IAC169-122330- /O.CON.KDMX.TO.W.0030.000000T0000Z-051112T2330Z/ STORY IA- 505 PM CST SAT NOV 12 2005 ...A TORNADO WARNING REMAINS IN EFFECT FOR STORY COUNTY UNTIL 530 PM CST... AT 502...A TORNADO WAS REPORTED 1 MILE NORTH OF HIGHWAY 30 ON THE WEST SIDE OF AMES. AT 502 PM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS TRACKING A SEVERE THUNDERSTORM WITH A CONFIRMED TORNADO. THIS DANGEROUS STORM WAS LOCATED NEAR AMES...OR 35 MILES NORTH OF DES MOINES...AND MOVING NORTHEAST AT 55 MPH. THIS TORNADIC STORM WILL BE... NEAR ROLAND BY 510 PM CST. 6 MILES NORTHWEST OF MCCALLSBURG BY 515 PM CST. THE LOCATION OF GILBERT IS ALSO IN THE PATH OF THIS TORNADO. THE SAFEST PLACE TO BE DURING A TORNADO IS IN A BASEMENT. GET UNDER A WORKBENCH OR OTHER PIECE OF STURDY FURNITURE. IF NO BASEMENT IS AVAILABLE...SEEK SHELTER ON THE LOWEST FLOOR OF THE BUILDING IN AN INTERIOR HALLWAY OR ROOM SUCH AS A CLOSET. USE BLANKETS OR PILLOWS TO COVER YOUR BODY AND ALWAYS STAY AWAY FROM WINDOWS. IF IN MOBILE HOMES OR VEHICLES...EVACUATE THEM AND GET INSIDE A SUBSTANTIAL SHELTER. IF NO SHELTER IS AVAILABLE...LIE FLAT IN THE NEAREST DITCH OR OTHER LOW SPOT AND COVER YOUR HEAD WITH YOUR HANDS. A TORNADO WATCH REMAINS IN EFFECT UNTIL 900 PM CST SATURDAY EVENING FOR IOWA. LAT...LON 4191 9371 4192 9331 4221 9330 4221 9371 $$ VACHALEK
000 WWUS53 KDMX 122324 SVSDMX SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE DES MOINES IA 524 PM CST SAT NOV 12 2005 IAC169-122330- /O.CON.KDMX.TO.W.0030.000000T0000Z-051112T2330Z/ STORY IA- 524 PM CST SAT NOV 12 2005 ...A TORNADO WARNING REMAINS IN EFFECT FOR STORY COUNTY UNTIL 530 PM CST... AT 519 PM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS TRACKING A SEVERE THUNDERSTORM WITH A CONFIRMED TORNADO. THIS DANGEROUS STORM WAS LOCATED 8 MILES EAST OF STORY CITY...OR 43 MILES SOUTHEAST OF FORT DODGE...AND MOVING NORTHEAST AT 55 MPH. THIS TORNADO IS LOCATED NEAR ROLAND NOW THE SAFEST PLACE TO BE DURING A TORNADO IS IN A BASEMENT. GET UNDER A WORKBENCH OR OTHER PIECE OF STURDY FURNITURE. IF NO BASEMENT IS AVAILABLE...SEEK SHELTER ON THE LOWEST FLOOR OF THE BUILDING IN AN INTERIOR HALLWAY OR ROOM SUCH AS A CLOSET. USE BLANKETS OR PILLOWS TO COVER YOUR BODY AND ALWAYS STAY AWAY FROM WINDOWS. IF IN MOBILE HOMES OR VEHICLES...EVACUATE THEM AND GET INSIDE A SUBSTANTIAL SHELTER. IF NO SHELTER IS AVAILABLE...LIE FLAT IN THE NEAREST DITCH OR OTHER LOW SPOT AND COVER YOUR HEAD WITH YOUR HANDS. A TORNADO WATCH REMAINS IN EFFECT UNTIL 900 PM CST SATURDAY EVENING FOR IOWA. LAT...LON 4191 9371 4192 9331 4221 9330 4221 9371 $$ VACHALEK
000 WWUS53 KDMX 122328 SVSDMX SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE DES MOINES IA 528 PM CST SAT NOV 12 2005 IAC169-122338- /O.EXP.KDMX.TO.W.0030.000000T0000Z-051112T2330Z/ STORY IA- 528 PM CST SAT NOV 12 2005 ...THE TORNADO WARNING FOR STORY COUNTY HAS BEEN ALLOWED TO EXPIRE... AT 523 PM CST...WEATHER SERVICE DOPPLER RADAR INDICATED THAT THE THUNDERSTORMS WHICH PROMPTED THE WARNING HAVE MOVED OUT OF THE AREA. THEREFORE...THE TORNADO WARNING HAS BEEN ALLOWED TO EXPIRE. IF SEVERE WEATHER WAS OBSERVED...CONTACT THE NATIONAL WEATHER SERVICE OFFICE IN DES MOINES AT 1-800-759-9276. A TORNADO WATCH REMAINS IN EFFECT UNTIL 900 PM CST SATURDAY EVENING FOR IOWA. LAT...LON 4191 9371 4192 9331 4221 9330 4221 9371 $$ VACHALEK
The office that day
Everything else NWS Des Moines, IA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Nov 12, 4:32 AM CST | Wind Advisory | DMX | Adair, Adams, Audubon, Black Hawk, Boone, Bremer and 35 more | 34 hr |
| Nov 12, 2:39 PM CST | Severe Thunderstorm Warning | DMX | Cass | 21 min |
| Nov 12, 2:56 PM CST | Severe Thunderstorm Warning | DMX | Crawford | 34 min |
| Nov 12, 3:05 PM CST | Severe Thunderstorm Warning | DMX | Audubon, Guthrie | 25 min |
| Nov 12, 3:19 PM CST | Tornado Warning | DMX | Audubon, Guthrie | 26 min |
| Nov 12, 3:22 PM CST | Severe Thunderstorm Warning | DMX | Adair | 38 min |
| Nov 12, 3:43 PM CST | Tornado Warning | DMX | Greene | 47 min |
| Nov 12, 3:51 PM CST | Severe Thunderstorm Warning | DMX | Dallas, Guthrie | 39 min |
| Nov 12, 3:58 PM CST | Tornado Warning | DMX | Dallas, Guthrie | 32 min |
| Nov 12, 4:24 PM CST | Severe Thunderstorm Warning | DMX | Boone, Hamilton, Webster | 51 min |
| Nov 12, 4:30 PM CST | Tornado Warning | DMX | Boone, Hamilton, Webster | 30 min |
| Nov 12, 4:30 PM CST | Tornado Warning | DMX | Boone, Dallas | 30 min |
| Nov 12, 4:57 PM CST | Tornado Warning | DMX | Franklin, Hamilton, Hardin, Wright | 48 min |
| Nov 12, 5:06 PM CST | Tornado Warning | DMX | Hamilton | 24 min |
| Nov 12, 5:18 PM CST | Severe Thunderstorm Warning | DMX | Jasper, Polk | 27 min |
| Nov 12, 5:23 PM CST | Tornado Warning | DMX | Hardin | 22 min |
| Nov 12, 5:41 PM CST | Tornado Warning | DMX | Franklin, Hardin | 34 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.