Alert archive / Iowa / Tornado Warnings in 2014
Tornado Warning 49, NWS Des Moines, IA
NWS Des Moines, IA issued this tornado warning at Jul 6, 2014, 8:05 PM CDT for Black Hawk County, Grundy County, Tama County, Iowa. It was in force for 40 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
- Jul 6, 2014, 8:05 PM CDT (01:05 UTC)
- Expired
- Jul 6, 2014, 8:45 PM CDT
- In force
- 40 min
- Issued by
- NWS Des Moines, IA
- Area
- Storm-based polygon
- Tornado
- Observed
- Hail
- 0.75 in
Counties Black Hawk County, IA, Grundy County, IA, Tama County, IA
The radar
The Des Moines radar (KDMX), 124 km from the middle of the area, began a volume at 01:04 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, 8:07 PM CDT | TORNADO | 4 Nw Traer, IA | |
| Jul 6, 8:12 PM CDT | TORNADO | 2 Wsw Reinbeck, IA | NWS EMPLOYEE REPORTED NEW TORNADO FORMING 2 WSW REINBECK AT 812 PM. DELAYED REPORT |
| Jul 6, 8:16 PM CDT | TORNADO | 3 E Lincoln, IA | DEBRIS CLOUD NOTED |
| Jul 6, 8:28 PM CDT | TORNADO | 4 Nnw Traer, IA | NWS EMPLOYEE REPORTED THE TORNADO THAT BEGAN AT 812 PM STILL IN PROGRESS. DAMAGE DONE TO SOME AREA FARMS. |
| Jul 6, 8:35 PM CDT | TORNADO | 1 Ene Traer, IA | TORNADO WITH DEBRIS |
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, 1.1 hours before the alert went out and 173 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.
793
WFUS53 KDMX 070105
TORDMX
IAC013-075-171-070145-
/O.NEW.KDMX.TO.W.0049.140707T0105Z-140707T0145Z/
BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE DES MOINES IA
805 PM CDT SUN JUL 6 2014
THE NATIONAL WEATHER SERVICE IN DES MOINES HAS ISSUED A
* TORNADO WARNING FOR...
SOUTHWESTERN BLACK HAWK COUNTY IN NORTHEAST IOWA...
NORTHEASTERN TAMA COUNTY IN CENTRAL IOWA...
EAST CENTRAL GRUNDY COUNTY IN CENTRAL IOWA...
* UNTIL 845 PM CDT
* AT 804 PM CDT...A CONFIRMED TORNADO WAS LOCATED NEAR REINBECK...OR
13 MILES EAST OF GRUNDY CENTER...MOVING SOUTHEAST AT 25 MPH.
HAZARD...DAMAGING TORNADO.
SOURCE...WEATHER SPOTTERS CONFIRMED TORNADO. AT 8:00 PM A TORNADO
WAS REPORTED NORTH WEST REINBECK WITH A HISTORY OF
DAMAGE.
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...
TRAER...REINBECK...DYSART...CLUTIER...ELBERON AND TF CLARK STATE
PARK.
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 4229 9230 4198 9230 4231 9270 4239 9254
4230 9228
TIME...MOT...LOC 0104Z 308DEG 21KT 4229 9254
TORNADO...OBSERVED
HAIL...<.75IN
$$
AWB3 follow-up statements
089
WWUS53 KDMX 070118
SVSDMX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE DES MOINES IA
818 PM CDT SUN JUL 6 2014
IAC013-075-171-070145-
/O.CON.KDMX.TO.W.0049.000000T0000Z-140707T0145Z/
BLACK HAWK IA-TAMA IA-GRUNDY IA-
818 PM CDT SUN JUL 6 2014
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 845 PM CDT FOR
SOUTHWESTERN BLACK HAWK...NORTHEASTERN TAMA AND SOUTHEASTERN GRUNDY
COUNTIES...
AT 816 PM CDT...A CONFIRMED TORNADO WAS LOCATED NEAR TRAER...OR 18
MILES SOUTH OF WATERLOO...MOVING SOUTHEAST AT 25 MPH.
HAZARD...DAMAGING TORNADO.
SOURCE...WEATHER SPOTTERS CONFIRMED TORNADO. AT 813 PM A TORNADO WAS
REPORTED ON THE GROUND SOUTHEAST OF REINBECK IOWA. DAMAGE
HAS BEEN REPORTED WITH THIS TORNADO.
IMPACT...FLYING DEBRIS WILL BE DANGEROUS TO THOSE CAUGHT WITHOUT
SHELTER. MOBILE HOMES WILL BE DAMAGED OR DESTROYED. DAMAGE
TO ROOFS...WINDOWS AND VEHICLES WILL OCCUR. TREE DAMAGE IS
LIKELY.
LOCATIONS IMPACTED INCLUDE...
TRAER...DYSART...CLUTIER...ELBERON AND TF CLARK STATE PARK.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TO REPEAT...A TORNADO IS ON THE GROUND. TAKE COVER NOW! MOVE TO A
BASEMENT OR AN INTERIOR ROOM ON THE LOWEST FLOOR OF A STURDY
BUILDING. AVOID WINDOWS. IF IN A MOBILE HOME...A VEHICLE OR
OUTDOORS...MOVE TO THE CLOSEST SUBSTANTIAL SHELTER AND PROTECT
YOURSELF FROM FLYING DEBRIS.
&&
LAT...LON 4229 9230 4198 9230 4225 9262 4237 9247
4230 9228
TIME...MOT...LOC 0116Z 308DEG 21KT 4224 9246
TORNADO...OBSERVED
HAIL...<.75IN
$$
AWB434
WWUS53 KDMX 070134
SVSDMX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE DES MOINES IA
834 PM CDT SUN JUL 6 2014
IAC013-075-070141-
/O.CAN.KDMX.TO.W.0049.000000T0000Z-140707T0145Z/
BLACK HAWK IA-GRUNDY IA-
834 PM CDT SUN JUL 6 2014
...THE TORNADO WARNING FOR SOUTHWESTERN BLACK HAWK AND SOUTHEASTERN
GRUNDY COUNTIES IS CANCELLED...
THE TORNADIC THUNDERSTORM WHICH PROMPTED THE WARNING HAS MOVED OUT
OF THE WARNED AREA. THEREFORE THE WARNING HAS BEEN CANCELLED.
LAT...LON 4198 9230 4219 9255 4230 9250 4230 9230
TIME...MOT...LOC 0131Z 316DEG 15KT 4220 9241
$$
IAC171-070145-
/O.CON.KDMX.TO.W.0049.000000T0000Z-140707T0145Z/
TAMA IA-
834 PM CDT SUN JUL 6 2014
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 845 PM CDT FOR
NORTHEASTERN TAMA COUNTY...
AT 831 PM CDT...A CONFIRMED TORNADO WAS LOCATED NEAR TRAER...OR 16
MILES NORTHEAST OF TOLEDO...MOVING SOUTHEAST AT 15 MPH.
HAZARD...DAMAGING TORNADO.
SOURCE...WEATHER SPOTTERS CONFIRMED TORNADO. AT 830 PM A TORNADO
WAS REPORTED ON THE GROUND 1 NORTHEAST OF TREAR. DAMAGE HAS
BEEN REPORTED WITH THIS TORNADO.
IMPACT...FLYING DEBRIS WILL BE DANGEROUS TO THOSE CAUGHT WITHOUT
SHELTER. MOBILE HOMES WILL BE DAMAGED OR DESTROYED. DAMAGE
TO ROOFS...WINDOWS AND VEHICLES WILL OCCUR. TREE DAMAGE IS
LIKELY.
LOCATIONS IMPACTED INCLUDE...
TRAER...DYSART...CLUTIER...ELBERON AND TF CLARK STATE PARK.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TO REPEAT...A TORNADO IS ON THE GROUND. TAKE COVER NOW! MOVE TO A
BASEMENT OR AN INTERIOR ROOM ON THE LOWEST FLOOR OF A STURDY
BUILDING. AVOID WINDOWS. IF IN A MOBILE HOME...A VEHICLE OR
OUTDOORS...MOVE TO THE CLOSEST SUBSTANTIAL SHELTER AND PROTECT
YOURSELF FROM FLYING DEBRIS.
&&
LAT...LON 4198 9230 4219 9255 4230 9250 4230 9230
TIME...MOT...LOC 0131Z 316DEG 15KT 4220 9241
TORNADO...OBSERVED
HAIL...<.75IN
$$
AWB476
WWUS53 KDMX 070146
SVSDMX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE DES MOINES IA
846 PM CDT SUN JUL 6 2014
IAC171-070155-
/O.EXP.KDMX.TO.W.0049.000000T0000Z-140707T0145Z/
TAMA IA-
846 PM CDT SUN JUL 6 2014
...THE TORNADO WARNING FOR NORTHEASTERN TAMA COUNTY HAS EXPIRED...
THE TORNADO WARNING THAT WAS PREVIOUSLY IN EFFECT HAS BEEN REISSUED
FOR TAMA COUNTY AND IS IN EFFECT UNTIL 900 PM. PLEASE REFER TO THAT
BULLETIN FOR THE LATEST SEVERE WEATHER INFORMATION.
REMEMBER...A TORNADO WARNING STILL REMAINS IN EFFECT FOR TAMA COUNTY.
LAT...LON 4198 9230 4219 9255 4230 9250 4230 9230
TIME...MOT...LOC 0144Z 308DEG 21KT 4220 9241
$$
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, 8:28 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, 8:51 PM CDT | Tornado Warning | DMX | Jasper, Poweshiek | 24 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.