Alert archive / Minnesota / Tornado Warnings in 2009
Tornado Warning 37, NWS Twin Cities, MN
NWS Twin Cities, MN issued this tornado warning at Aug 19, 2009, 2:11 PM CDT for Anoka County, Hennepin County, Ramsey County, Minnesota. 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
- Aug 19, 2009, 2:11 PM CDT (19:11 UTC)
- Expired
- Aug 19, 2009, 2:45 PM CDT
- In force
- 34 min
- Issued by
- NWS Twin Cities, MN
- Area
- Storm-based polygon
Counties Anoka County, MN, Hennepin County, MN, Ramsey County, MN
The radar
The Minneapolis radar (KMPX), 40 km from the middle of the area, began a volume at 19:12 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 |
|---|---|---|---|
| Aug 19, 2:20 PM CDT | TSTM WND DMG | Brooklyn Park, MN | SCATTERED TREES AND LARGE LIMBS ACROSS A BROAD AREA 3/4 BY 1/2 MILE WERE KNOCKED OVER DUE TO A DOWNBURST JUST NORTHEAST OF HWY 252 AND 85TH AVENUE. |
| Aug 19, 2:20 PM CDT | TSTM WND DMG | Minneapolis, MN | ROOF OFF HOUSE, LARGE TREE BLOCKING ROAD AND POWER POLES DOWN AT PORTLAND AND 35TH AVE SOUTH. |
| Aug 19, 2:27 PM CDT | TSTM WND DMG | Minneapolis, MN | TIME IS RECEIVED TIME OF DAMAGE. TREES AND POLES DOWN AT 37TH AND 5TH AVE. SO. HEARD OF POSSIBLE DAMAGE TO COMMERCIAL AND RESIDENTIAL ROOFS TOO. |
| Aug 19, 2:50 PM CDT | TSTM WND DMG | Brooklyn Park, MN | TREES DOWN AT HWY 252 AND 85TH STR. |
| Aug 19, 2:50 PM CDT | TSTM WND DMG | Minneapolis, MN | TREES DOWN ON HOUSES AT 37TH AND 5TH AVE SO. AND ALSO AT 38TH AND 4TH AVE. SO. AND AT PORTLAND AVE SO AND 35TH |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Minneapolis, MN (KMPX), launched 12:00Z, 7.2 hours before the alert went out and 42 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 191911 TORMPX MNC003-053-123-191945- /O.NEW.KMPX.TO.W.0037.090819T1911Z-090819T1945Z/ BULLETIN - EAS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN 211 PM CDT WED AUG 19 2009 THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A * TORNADO WARNING FOR... CENTRAL ANOKA COUNTY IN EAST CENTRAL MINNESOTA... NORTHEASTERN HENNEPIN COUNTY IN EAST CENTRAL MINNESOTA... WESTERN RAMSEY COUNTY IN EAST CENTRAL MINNESOTA... * UNTIL 245 PM CDT * AT 211 PM CDT...THE PUBLIC REPORTED A TORNADO JUST NORTH OF DOWNTOWN MINNEAPOLIS. RADAR SHOWED THE TORNADIC STORM MOVING NORTH AT 20 MPH. * LOCATIONS IN THE WARNING INCLUDE... ROBBINSDALE... NEW HOPE... CRYSTAL... COLUMBIA HEIGHTS... HILLTOP... BROOKLYN CENTER... NEW BRIGHTON... ARDEN HILLS... FRIDLEY... SHOREVIEW... BROOKLYN PARK... MOUNDS VIEW... 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 4530 9340 4529 9308 4493 9315 4494 9340 TIME...MOT...LOC 1911Z 183DEG 19KT 4502 9327 $$
3 follow-up statements
000 WWUS53 KMPX 191918 SVSMPX SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN 218 PM CDT WED AUG 19 2009 MNC003-053-123-191945- /O.CON.KMPX.TO.W.0037.000000T0000Z-090819T1945Z/ ANOKA MN-HENNEPIN MN-RAMSEY MN- 218 PM CDT WED AUG 19 2009 ...A TORNADO WARNING REMAINS IN EFFECT UNTIL 245 PM CDT FOR NORTHWESTERN RAMSEY...NORTHEASTERN HENNEPIN AND CENTRAL ANOKA COUNTIES... AT 210 PM CDT...A TORNADO WAS REPORTED NEAR DOWNTOWN MINNEAPOLIS... MOVING NORTH. DAMAGE WAS REPORTED TO A CHURCH NEAR THE CONVENTION CENTER. AT 218 PM CDT...RADAR CONTINUED TO INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THE MOST DANGEROUS PART OF THE STORM WAS LOCATED NEAR HILLTOP...AND MOVING NORTH AT 20 MPH. LOCATIONS IN THE WARNING INCLUDE... BROOKLYN CENTER...NEW BRIGHTON...ARDEN HILLS...FRIDLEY...BROOKLYN PARK...MOUNDS VIEW...SPRING LAKE PARK...CIRCLE PINES...LEXINGTON... CHAMPLIN...OAK PARK AND BLAINE. PRECAUTIONARY/PREPAREDNESS ACTIONS... IF YOU ARE CAUGHT OUTSIDE...SEEK SHELTER IN A NEARBY REINFORCED BUILDING. AS A LAST RESORT...SEEK SHELTER IN A CULVERT...DITCH OR LOW SPOT AND COVER YOUR HEAD WITH YOUR HANDS. && LAT...LON 4503 9316 4504 9339 4530 9340 4529 9308 TIME...MOT...LOC 1918Z 183DEG 19KT 4506 9327 $$
000
WWUS53 KMPX 191928
SVSMPX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
228 PM CDT WED AUG 19 2009
MNC053-123-191938-
/O.CAN.KMPX.TO.W.0037.000000T0000Z-090819T1945Z/
HENNEPIN MN-RAMSEY MN-
228 PM CDT WED AUG 19 2009
...THE TORNADO WARNING FOR NORTHWESTERN RAMSEY AND NORTHEASTERN
HENNEPIN COUNTIES IS CANCELLED...
RADAR INDICATED THAT THE SEVERE STORM HAD MOVED OUT OF THE WARNED
AREA. THEREFORE... THE TORNADO WARNING HAS BEEN CANCELLED.
LAT...LON 4529 9308 4513 9317 4512 9328 4519 9339
4530 9340
TIME...MOT...LOC 1928Z 177DEG 24KT 4514 9330
$$
MNC003-191945-
/O.CON.KMPX.TO.W.0037.000000T0000Z-090819T1945Z/
ANOKA MN-
228 PM CDT WED AUG 19 2009
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 245 PM CDT FOR CENTRAL
ANOKA COUNTY...
AT 228 PM CDT...RADAR CONTINUED TO INDICATE A SEVERE THUNDERSTORM
CAPABLE OF PRODUCING A TORNADO. THE MOST DANGEROUS PART OF THE STORM
WAS LOCATED NEAR COON RAPIDS...AND MOVING NORTH AT 30 MPH.
LOCATIONS IN THE WARNING INCLUDE...
BLAINE...OAK PARK...COON RAPIDS...HAM LAKE AND ANDOVER.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
THIS STORM HAS A HISTORY OR PRODUCING TORNADOES.
IF YOU ARE CAUGHT OUTSIDE...SEEK SHELTER IN A NEARBY REINFORCED
BUILDING. AS A LAST RESORT...SEEK SHELTER IN A CULVERT...DITCH OR LOW
SPOT AND COVER YOUR HEAD WITH YOUR HANDS.
&&
LAT...LON 4529 9308 4513 9317 4512 9328 4519 9339
4530 9340
TIME...MOT...LOC 1928Z 177DEG 24KT 4514 9330
$$000
WWUS53 KMPX 191945
SVSMPX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
245 PM CDT WED AUG 19 2009
MNC003-191955-
/O.EXP.KMPX.TO.W.0037.000000T0000Z-090819T1945Z/
ANOKA MN-
245 PM CDT WED AUG 19 2009
...THE TORNADO WARNING FOR CENTRAL ANOKA 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 4529 9308 4513 9317 4512 9328 4519 9339
4530 9340
TIME...MOT...LOC 1945Z 177DEG 24KT 4525 9331
$$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, 2:16 PM CDT | Tornado Warning | MPX | Dakota | 29 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.