Alert archive / Iowa / Tornado Warnings in 2014
Tornado Warning 52, NWS Des Moines, IA
NWS Des Moines, IA issued this tornado warning at Jul 6, 2014, 8:51 PM CDT for Jasper County, Poweshiek County, Iowa. It was in force for 24 min. 4 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
- Jul 6, 2014, 8:51 PM CDT (01:51 UTC)
- Expired
- Jul 6, 2014, 9:15 PM CDT
- In force
- 24 min
- Issued by
- NWS Des Moines, IA
- Area
- Storm-based polygon
- Tornado
- Radar indicated
- Hail
- 0.75 in
Counties Jasper County, IA, Poweshiek County, IA
The radar
The Des Moines radar (KDMX), 74 km from the middle of the area, began a volume at 01:51 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 |
|---|---|---|---|
| Jul 6, 8:59 PM CDT | TORNADO | 6 Ne Newton, IA | TRAINED SPOTTER REPORTED TORNADO NE OF NEWTON. LOCATION ESTIMATED BY RADAR |
| Jul 6, 9:02 PM CDT | TORNADO | 5 N Newton, IA | LAW ENFORCEMENT RELAYED MULTIPLE PUBLIC REPORTS BETWEEN 859 PM AND 902 PM OF A TORNADO ON THE GROUND AND POSSIBLY AN ADDITIONAL FUNNEL CLOUD APPROXIMATELY 5 MILES NORTH OF NEWTON. |
| Jul 6, 9:10 PM CDT | TORNADO | Kellogg, IA | LAW ENFORCEMENT RELAYED PUBLIC REPORTS FROM GILMAN SEEING A TORNADO ON THE GROUND TO THEIR SOUTH...RADAR INDICATES IT WOULD BE IN THE KELLOGG AREA. |
| Jul 6, 9:19 PM CDT | HAIL 1 | 1 W Grinnell, IA | TRAINED SPOTTER REPORTED 1 INCH DIAMETER HAIL 1 W GRINNELL. DELAYED REPORT |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Davenport, (KDVN), launched 00:00Z, 1.9 hours before the alert went out and 194 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
- 1325 J/kg
- Mixed-layer CIN
- -174 J/kg
- Mixed-layer LCL
- 1280 m above ground
- 0-6 km bulk shear
- 27 kt
- 0-1 km storm-relative helicity
- 76 m²/s²
- 0-3 km storm-relative helicity
- 195 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 3.9
The text
As transmitted, in the capitals the NWS used until 2016.
960
WFUS53 KDMX 070151
TORDMX
IAC099-157-070215-
/O.NEW.KDMX.TO.W.0052.140707T0151Z-140707T0215Z/
BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE DES MOINES IA
851 PM CDT SUN JUL 6 2014
THE NATIONAL WEATHER SERVICE IN DES MOINES HAS ISSUED A
* TORNADO WARNING FOR...
NORTHEASTERN JASPER COUNTY IN CENTRAL IOWA...
NORTHWESTERN POWESHIEK COUNTY IN CENTRAL IOWA...
* UNTIL 915 PM CDT
* AT 851 PM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A
TORNADO WAS LOCATED 8 MILES NORTH OF NEWTON...MOVING SOUTHEAST AT
25 MPH.
HAZARD...TORNADO.
SOURCE...RADAR INDICATED ROTATION.
IMPACT...FLYING DEBRIS WILL BE DANGEROUS TO THOSE CAUGHT WITHOUT
SHELTER. MOBILE HOMES WILL BE DAMAGED OR DESTROYED.
DAMAGE TO ROOFS...WINDOWS AND VEHICLES WILL OCCUR. TREE
DAMAGE IS LIKELY.
* LOCATIONS IMPACTED INCLUDE...
NEWTON...GRINNELL...ROCK CREEK LAKE...KELLOGG...OAKLAND ACRES...
GRINNELL REGIONAL AIRPORT AND ROCK CREEK STATE PARK.
THIS INCLUDES INTERSTATE 80 BETWEEN MILE MARKERS 170 AND 185.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE COVER NOW! MOVE TO A BASEMENT OR AN INTERIOR ROOM ON THE LOWEST
FLOOR OF A STURDY BUILDING. AVOID WINDOWS. IF IN A MOBILE HOME...A
VEHICLE OR OUTDOORS...MOVE TO THE CLOSEST SUBSTANTIAL SHELTER AND
PROTECT YOURSELF FROM FLYING DEBRIS.
&&
LAT...LON 4158 9274 4174 9310 4186 9300 4187 9282
4183 9260
TIME...MOT...LOC 0151Z 293DEG 23KT 4181 9299
TORNADO...RADAR INDICATED
HAIL...<.75IN
$$
AWB2 follow-up statements
787
WWUS53 KDMX 070203
SVSDMX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE DES MOINES IA
903 PM CDT SUN JUL 6 2014
IAC099-157-070215-
/O.CON.KDMX.TO.W.0052.000000T0000Z-140707T0215Z/
JASPER IA-POWESHIEK IA-
903 PM CDT SUN JUL 6 2014
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 915 PM CDT FOR
NORTHEASTERN JASPER AND NORTHWESTERN POWESHIEK COUNTIES...
AT 902 PM CDT...A CONFIRMED TORNADO WAS LOCATED 4 MILES NORTHWEST OF
ROCK CREEK LAKE...OR 8 MILES NORTHEAST OF NEWTON...MOVING SOUTHEAST
AT 30 MPH.
HAZARD...DAMAGING TORNADO.
SOURCE...PUBLIC CONFIRMED TORNADO. AT 855 PM A TORNADO WAS REPORTED
5 MILES NORTH OF NEWTON.
IMPACT...FLYING DEBRIS WILL BE DANGEROUS TO THOSE CAUGHT WITHOUT
SHELTER. MOBILE HOMES WILL BE DAMAGED OR DESTROYED. DAMAGE
TO ROOFS...WINDOWS AND VEHICLES WILL OCCUR. TREE DAMAGE IS
LIKELY.
LOCATIONS IMPACTED INCLUDE...
NEWTON...GRINNELL...ROCK CREEK LAKE...KELLOGG...OAKLAND ACRES...
GRINNELL REGIONAL AIRPORT AND ROCK CREEK STATE PARK.
THIS INCLUDES INTERSTATE 80 BETWEEN MILE MARKERS 170 AND 185.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TO REPEAT...A TORNADO IS ON THE GROUND. TAKE COVER NOW! MOVE TO A
BASEMENT OR AN INTERIOR ROOM ON THE LOWEST FLOOR OF A STURDY
BUILDING. AVOID WINDOWS. IF IN A MOBILE HOME...A VEHICLE OR
OUTDOORS...MOVE TO THE CLOSEST SUBSTANTIAL SHELTER AND PROTECT
YOURSELF FROM FLYING DEBRIS.
&&
LAT...LON 4158 9274 4174 9310 4186 9300 4187 9282
4183 9260
TIME...MOT...LOC 0202Z 293DEG 26KT 4178 9293
TORNADO...OBSERVED
HAIL...<.75IN
$$
AWB764
WWUS53 KDMX 070212
SVSDMX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE DES MOINES IA
912 PM CDT SUN JUL 6 2014
IAC099-157-070221-
/O.EXP.KDMX.TO.W.0052.000000T0000Z-140707T0215Z/
JASPER IA-POWESHIEK IA-
912 PM CDT SUN JUL 6 2014
...THE TORNADO WARNING FOR NORTHEASTERN JASPER AND NORTHWESTERN
POWESHIEK COUNTIES WILL EXPIRE AT 915 PM CDT...
THE TORNADO WARNING THAT WAS PREVIOUSLY IN EFFECT HAS BEEN REISSUED
FOR JASPER AND POWESHIEK COUNTIES AND IS IN EFFECT UNTIL 945 PM.
PLEASE REFER TO THAT BULLETIN FOR THE LATEST SEVERE WEATHER
INFORMATION.
REMEMBER...A TORNADO WARNING STILL REMAINS IN EFFECT FOR PORTIONS OF
JASPER AND POWESHIEK COUNTIES.
LAT...LON 4158 9274 4174 9310 4186 9300 4187 9282
4183 9260
TIME...MOT...LOC 0210Z 293DEG 23KT 4178 9293
$$
AWBThe office that day
Everything else NWS Des Moines, IA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 6, 7:19 PM CDT | Severe Thunderstorm Warning | DMX | Black Hawk, Bremer | 41 min |
| Jul 6, 7:27 PM CDT | Special Weather Statement | DMX | Tama | 48 min |
| Jul 6, 7:37 PM CDT | Special Weather Statement | DMX | Dallas | 23 min |
| Jul 6, 7:50 PM CDT | Tornado Warning | DMX | Black Hawk, Grundy, Tama | 25 min |
| Jul 6, 8:05 PM CDT | Tornado Warning | DMX | Black Hawk, Grundy, Tama | 40 min |
| Jul 6, 8:28 PM CDT | Special Weather Statement | DMX | Madison | 62 min |
| Jul 6, 8:40 PM CDT | Special Weather Statement | DMX | Madison | 35 min |
| Jul 6, 8:45 PM CDT | Tornado Warning | DMX | Tama | 30 min |
| Jul 6, 8:50 PM CDT | Tornado Warning | DMX | Dallas, Madison | 25 min |
| Jul 6, 9:10 PM CDT | Tornado Warning | DMX | Jasper, Mahaska, Poweshiek | 35 min |
| Jul 6, 9:20 PM CDT | Special Weather Statement | DMX | Poweshiek | 55 min |
| Jul 6, 9:22 PM CDT | Special Weather Statement | DMX | Mahaska | 53 min |
| Jul 6, 9:24 PM CDT | Special Weather Statement | DMX | Madison | 51 min |
| Jul 6, 9:45 PM CDT | Tornado Warning | DMX | Jasper, Mahaska, Poweshiek | 13 min |
| Jul 6, 10:01 PM CDT | Severe Thunderstorm Warning | DMX | Mahaska, Marion | 44 min |
| Jul 6, 10:18 PM CDT | Severe Thunderstorm Warning | DMX | Mahaska, Wapello | 42 min |
| Jul 6, 10:20 PM CDT | Tornado Warning | DMX | Mahaska, Marion | 40 min |
| Jul 6, 10:26 PM CDT | Special Weather Statement | DMX | Decatur | 34 min |
| Jul 6, 10:53 PM CDT | Severe Thunderstorm Warning | DMX | Davis, Wapello | 37 min |
| Jul 7, 3:38 AM CDT | Flash Flood Watch | DMX | Adair, Adams, Appanoose, Cass, Clarke, Davis and 6 more | 19 hr |
| Jul 7, 5:24 PM CDT | Special Weather Statement | DMX | Adams | 36 min |
| Jul 7, 6:27 PM CDT | Special Weather Statement | DMX | Adams, Taylor | 48 min |
| Jul 7, 6:50 PM CDT | Severe Thunderstorm Warning | DMX | Adams, Ringgold, Taylor, Union | 40 min |
Nearby
Tornado Warnings in Iowa, 2014Every tornado warning in 2014Tornadoes in 2014
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.