Alert archive / Minnesota / Tornado Warnings in 2009
Tornado Warning 38, NWS Twin Cities, MN
NWS Twin Cities, MN issued this tornado warning at Aug 19, 2009, 2:16 PM CDT for Dakota County, Minnesota. It was in force for 29 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
- Aug 19, 2009, 2:16 PM CDT (19:16 UTC)
- Expired
- Aug 19, 2009, 2:45 PM CDT
- In force
- 29 min
- Issued by
- NWS Twin Cities, MN
- Area
- Storm-based polygon
County Dakota County, MN
The radar
The Minneapolis radar (KMPX), 46 km from the middle of the area, began a volume at 19:16 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
Minneapolis, MN (KMPX), launched 12:00Z, 7.3 hours before the alert went out and 48 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
- 368 J/kg
- Mixed-layer CIN
- -49 J/kg
- Mixed-layer LCL
- 615 m above ground
- 0-6 km bulk shear
- 31 kt
- 0-1 km storm-relative helicity
- 121 m²/s²
- 0-3 km storm-relative helicity
- 68 m²/s²
- Significant tornado parameter
- 0.2
- Supercell composite
- 3.0
The text
As transmitted, in the capitals the NWS used until 2016.
000
WFUS53 KMPX 191916
TORMPX
MNC037-191945-
/O.NEW.KMPX.TO.W.0038.090819T1916Z-090819T1945Z/
BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
216 PM CDT WED AUG 19 2009
THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A
* TORNADO WARNING FOR...
CENTRAL DAKOTA COUNTY IN EAST CENTRAL MINNESOTA...
* UNTIL 245 PM CDT
* AT 215 PM CDT...RADAR INDICATED A STORM CAPABLE OF PRODUCING A
TORNADO. THE MOST DANGEROUS PART OF THE STORM WAS NEAR RANDOLPH...
OR OVER RANDOLPH...AND MOVING NORTH AT 25 MPH.
* LOCATIONS IN THE WARNING INCLUDE...
RANDOLPH...
HAMPTON...
NEW TRIER...
FARMINGTON...
VERMILLION...
COATES...
ROSEMOUNT...
INVER GROVE HEIGHTS...
EAGAN...
PRECAUTIONARY/PREPAREDNESS ACTIONS...
WHEN A TORNADO WARNING IS ISSUED BASED ON RADAR...IT MEANS THAT
STRONG ROTATION HAS BEEN DETECTED IN THE STORM. A TORNADO MAY ALREADY
BE ON THE GROUND...OR IS EXPECTED TO DEVELOP SHORTLY.
IF YOU ARE CAUGHT OUTSIDE...SEEK SHELTER IN A NEARBY REINFORCED
BUILDING. AS A LAST RESORT...SEEK SHELTER IN A CULVERT...DITCH OR LOW
SPOT AND COVER YOUR HEAD WITH YOUR HANDS.
&&
LAT...LON 4485 9317 4483 9301 4479 9302 4477 9297
4478 9291 4476 9287 4451 9295 4452 9303
4448 9304 4448 9321
TIME...MOT...LOC 1916Z 188DEG 21KT 4455 9307
$$
TRH3 follow-up statements
000
WWUS53 KMPX 191922
SVSMPX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
222 PM CDT WED AUG 19 2009
MNC037-191945-
/O.CON.KMPX.TO.W.0038.000000T0000Z-090819T1945Z/
DAKOTA MN-
222 PM CDT WED AUG 19 2009
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 245 PM CDT FOR DAKOTA
COUNTY...
AT 222 PM CDT...RADAR INDICATED A SEVERE THUNDERSTORM WITH STRONG
ROTATION CAPABLE OF PRODUCING A TORNADO. THE MOST DANGEROUS PART OF
THE STORM WAS LOCATED NEAR NEW TRIER...AND MOVING NORTH AT 30 MPH.
LOCATIONS IN THE WARNING INCLUDE...
HAMPTON...NEW TRIER...VERMILLION...COATES...ROSEMOUNT AND EAGAN.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
IF YOU ARE CAUGHT OUTSIDE...SEEK SHELTER IN A NEARBY REINFORCED
BUILDING. AS A LAST RESORT...SEEK SHELTER IN A CULVERT...DITCH OR LOW
SPOT AND COVER YOUR HEAD WITH YOUR HANDS.
&&
LAT...LON 4454 9303 4458 9316 4485 9317 4482 9302
4479 9302 4477 9298 4478 9291 4476 9287
4453 9295
TIME...MOT...LOC 1922Z 186DEG 25KT 4458 9294
$$000
WWUS53 KMPX 191933
SVSMPX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
233 PM CDT WED AUG 19 2009
MNC037-191945-
/O.CON.KMPX.TO.W.0038.000000T0000Z-090819T1945Z/
DAKOTA MN-
233 PM CDT WED AUG 19 2009
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 245 PM CDT FOR DAKOTA
COUNTY...
AT 233 PM CDT...RADAR CONTINUED TO INDICATE A SEVERE THUNDERSTORM
CAPABLE OF PRODUCING A TORNADO. THE MOST DANGEROUS PART OF THE STORM
WAS LOCATED NEAR VERMILLION...AND MOVING NORTH AT 30 MPH.
LOCATIONS IN THE WARNING INCLUDE...
VERMILLION...COATES...ROSEMOUNT AND EAGAN.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
IF YOU ARE CAUGHT OUTSIDE...SEEK SHELTER IN A NEARBY REINFORCED
BUILDING. AS A LAST RESORT...SEEK SHELTER IN A CULVERT...DITCH OR LOW
SPOT AND COVER YOUR HEAD WITH YOUR HANDS.
&&
LAT...LON 4463 9303 4466 9311 4485 9317 4481 9303
4479 9302 4477 9298 4478 9291 4476 9287
4462 9292
TIME...MOT...LOC 1933Z 186DEG 25KT 4465 9293
$$000
WWUS53 KMPX 191945 RRA
SVSMPX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
245 PM CDT WED AUG 19 2009
MNC037-191955-
/O.EXP.KMPX.TO.W.0038.000000T0000Z-090819T1945Z/
DAKOTA MN-
245 PM CDT WED AUG 19 2009
...THE TORNADO WARNING FOR CENTRAL DAKOTA COUNTY EXPIRES AT 245 PM
CDT...
TORNADIC SEVERE STORMS HAD WEAKENED. HOWEVER...MORE THUNDERSTORMS
WERE DEVELOPING IN THE AREA...REMAIN ALERT FOR ADDITIONAL WARNINGS.
LAT...LON 4463 9303 4466 9311 4485 9317 4481 9303
4479 9302 4477 9298 4478 9291 4476 9287
4462 9292
TIME...MOT...LOC 1933Z 186DEG 25KT 4465 9293
$$The office that day
Everything else NWS Twin Cities, MN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 18, 11:39 PM CDT | Severe Thunderstorm Warning | MPX | Chippewa, Lac qui Parle, Stevens, Swift | 36 min |
| Aug 19, 12:20 AM CDT | Special Weather Statement | MPX | Swift | 40 min |
| Aug 19, 12:41 AM CDT | Severe Thunderstorm Warning | MPX | Chippewa, Kandiyohi, Swift | 34 min |
| Aug 19, 12:59 AM CDT | Special Weather Statement | MPX | Swift | 46 min |
| Aug 19, 1:18 AM CDT | Special Weather Statement | MPX | Kandiyohi | 42 min |
| Aug 19, 2:16 AM CDT | Areal Flood Advisory | MPX | Chippewa, Kandiyohi, Lac qui Parle, Meeker, Swift | 5 hr |
| Aug 19, 1:04 PM CDT | Areal Flood Advisory | MPX | Anoka, Carver, Chisago, Hennepin, Isanti, Kanabec and 7 more | 6 hr |
| Aug 19, 2:11 PM CDT | Tornado Warning | MPX | Anoka, Hennepin, Ramsey | 34 min |
| Aug 19, 2:53 PM CDT | Tornado Warning | MPX | Dakota, Ramsey, Washington | 22 min |
| Aug 19, 3:16 PM CDT | Tornado Warning | MPX | Anoka, Ramsey, Washington | 29 min |
| Aug 19, 3:46 PM CDT | Tornado Warning | MPX | Anoka, Chisago, Washington | 29 min |
| Aug 19, 4:21 PM CDT | Tornado Warning | MPX | Chisago | 39 min |
| Aug 19, 4:49 PM CDT | Severe Thunderstorm Warning | MPX | Redwood, Yellow Medicine | 41 min |
| Aug 19, 5:18 PM CDT | Severe Thunderstorm Warning | MPX | Redwood | 21 min |
| Aug 19, 5:24 PM CDT | Special Weather Statement | MPX | Chippewa, Swift | 51 min |
| Aug 19, 6:02 PM CDT | Severe Thunderstorm Warning | MPX | Brown, Redwood | 58 min |
| Aug 19, 6:19 PM CDT | Tornado Warning | MPX | Brown | 26 min |
| Aug 19, 6:29 PM CDT | Tornado Warning | MPX | Brown | 31 min |
| Aug 19, 6:39 PM CDT | Tornado Warning | MPX | Brown | 36 min |
| Aug 19, 6:44 PM CDT | Severe Thunderstorm Warning | MPX | Chippewa, Renville | 44 min |
Nearby
Tornado Warnings in Minnesota, 2009Every tornado warning in 2009Tornadoes in 2009
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.