Alert archive / Minnesota / Tornado Warnings in 2007
Tornado Warning 30, NWS Twin Cities, MN
NWS Twin Cities, MN issued this tornado warning at Sep 20, 2007, 2:20 PM CDT for Benton County, Sherburne County, Stearns County, Minnesota. It was in force for 25 min. 1 report 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
- Sep 20, 2007, 2:20 PM CDT (19:20 UTC)
- Expired
- Sep 20, 2007, 2:45 PM CDT
- In force
- 25 min
- Issued by
- NWS Twin Cities, MN
- Area
- Counties, with a storm outline in the text
Counties Benton County, MN, Sherburne County, MN, Stearns County, MN
The radar
The Minneapolis radar (KMPX), 102 km from the middle of the area, began a volume at 19:20 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 |
|---|---|---|---|
| Sep 20, 2:45 PM CDT | TSTM WND DMG | Sauk Rapids, MN | PARTS OF A FENCE AROUND GOLDEN SPIKE RACEWAY WERE DAMAGED BY WINDS. |
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, 7.3 hours before the alert went out and 100 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
- 1024 m above ground
- 0-6 km bulk shear
- 42 kt
- 0-1 km storm-relative helicity
- 215 m²/s²
- 0-3 km storm-relative helicity
- 291 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 KMPX 201921 TORMPX MNC009-141-145-201945- /O.NEW.KMPX.TO.W.0030.070920T1920Z-070920T1945Z/ BULLETIN - EAS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN 220 PM CDT THU SEP 20 2007 THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A * TORNADO WARNING FOR... STEARNS COUNTY IN CENTRAL MINNESOTA... SHERBURNE COUNTY IN CENTRAL MINNESOTA... BENTON COUNTY IN CENTRAL MINNESOTA... * UNTIL 245 PM CDT * AT 216 PM CDT...TRAINED WEATHER SPOTTERS REPORTED A FUNNEL CLOUD APPROXIMATELY 6 MILES SOUTH OF AVON. STORMS WERE ALONG A LINE EXTENDING FROM 5 MILES NORTHWEST OF ST STEPHEN TO FARMING...OR ALONG A LINE EXTENDING FROM 14 MILES NORTHEAST OF ALBANY TO 5 MILES SOUTHEAST OF ALBANY. RADAR SHOWED THE SEVERE STORM MOVING EAST AT 35 MPH. * LOCATIONS IMPACTED INCLUDE... COLLEGEVILLE... ST STEPHEN... ST JOSEPH... ROCKVILLE... SARTELL... WAITE PARK... PLEASANT LAKE... SAUK RAPIDS... GET IN A BASEMENT NOW. LAT...LON 4571 9406 4544 9412 4551 9463 4572 9449 TIME...MOT...LOC 1920Z 287DEG 30KT 4574 9430 4555 9447 $$ LS/MDB
2 follow-up statements
000 WWUS53 KMPX 201928 SVSMPX SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN 227 PM CDT THU SEP 20 2007 MNC009-141-145-201945- /O.CON.KMPX.TO.W.0030.000000T0000Z-070920T1945Z/ STEARNS MN-SHERBURNE MN-BENTON MN- 227 PM CDT THU SEP 20 2007 ...A TORNADO WARNING REMAINS IN EFFECT UNTIL 245 PM CDT FOR BENTON... SHERBURNE AND STEARNS COUNTIES... AT 218 PM CDT CDT...A FUNNEL CLOUD WAS REPORTED 6 MILES SOUTH OF AVON BY A TRAINED SPOTTER. AT 225 PM CDT...DOPPLER RADAR CONTINUED TO INDICATE A LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING A TORNADO. THE SEVERE THUNDERSTORM WAS LOCATED ALONG A LINE EXTENDING FROM COLLEGEVILLE TO 3 MILES SOUTH OF COLLEGEVILLE...AND MOVING EAST AT 30 MPH. OTHER LOCATIONS IN THE WARNING INCLUDE COLLEGEVILLE...ST. CLOUD...WAITE PARK...ST STEPHEN...ST JOSEPH...SAUK RAPIDS...SARTELL...ROCKVILLE AND PLEASANT LAKE. THE SAFEST PLACE TO BE DURING A TORNADO IS IN A BASEMENT. GET UNDER A WORKBENCH OR OTHER PIECE OF STURDY FURNITURE. IF NO BASEMENT IS AVAILABLE...SEEK SHELTER ON THE LOWEST FLOOR OF THE BUILDING IN AN INTERIOR HALLWAY OR ROOM SUCH AS A CLOSET. USE BLANKETS OR PILLOWS TO COVER YOUR BODY AND ALWAYS STAY AWAY FROM WINDOWS. IF IN MOBILE HOMES OR VEHICLES...EVACUATE THEM AND GET INSIDE A SUBSTANTIAL SHELTER. IF NO SHELTER IS AVAILABLE...LIE FLAT IN THE NEAREST DITCH OR OTHER LOW SPOT AND COVER YOUR HEAD WITH YOUR HANDS. LAT...LON 4571 9406 4544 9412 4551 9463 4572 9449 TIME...MOT...LOC 1927Z 287DEG 30KT 4558 9433 4555 9436 $$ LS/MDB
000
WWUS53 KMPX 201938
SVSMPX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
237 PM CDT THU SEP 20 2007
MNC009-141-145-201945-
/O.CON.KMPX.TO.W.0030.000000T0000Z-070920T1945Z/
STEARNS MN-SHERBURNE MN-BENTON MN-
237 PM CDT THU SEP 20 2007
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 245 PM CDT FOR BENTON...
SHERBURNE AND STEARNS COUNTIES...
AT 218 PM CDT...A FUNNEL CLOUD WAS REPORTED 6 MILES SOUTH OF AVON.
AT 235 PM CDT...BRANCHES WERE DOWN 4 NORTH OF SARTELL.
AT 234 PM CDT... THE SEVERE THUNDERSTORM WAS LOCATED ALONG A LINE
EXTENDING FROM 4 MILES NORTHEAST OF SARTELL TO WAITE PARK...AND
MOVING EAST AT 35 MPH.
OTHER LOCATIONS IN THE WARNING INCLUDE COLLEGEVILLE...ST.
CLOUD...WAITE PARK...ST STEPHEN...ST JOSEPH...SAUK RAPIDS...SARTELL
AND PLEASANT LAKE.
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.
LAT...LON 4570 9406 4544 9412 4550 9446 4572 9435
4571 9407
TIME...MOT...LOC 1937Z 281DEG 32KT 4565 9410 4556 9418
$$
LS/MDBThe office that day
Everything else NWS Twin Cities, MN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 20, 7:33 AM CDT | Severe Thunderstorm Warning | MPX | Lac qui Parle, Yellow Medicine | 42 min |
| Sep 20, 8:11 AM CDT | Tornado Warning | MPX | Lac qui Parle, Yellow Medicine | 34 min |
| Sep 20, 8:36 AM CDT | Severe Thunderstorm Warning | MPX | Lac qui Parle | 39 min |
| Sep 20, 8:43 AM CDT | Tornado Warning | MPX | Lac qui Parle, Yellow Medicine | 47 min |
| Sep 20, 9:14 AM CDT | Severe Thunderstorm Warning | MPX | Chippewa, Lac qui Parle, Swift | 61 min |
| Sep 20, 10:14 AM CDT | Severe Thunderstorm Warning | MPX | Swift | 31 min |
| Sep 20, 10:28 AM CDT | Severe Thunderstorm Warning | MPX | Chippewa, Swift | 47 min |
| Sep 20, 10:44 AM CDT | Severe Thunderstorm Warning | MPX | Swift | 46 min |
| Sep 20, 10:58 AM CDT | Severe Thunderstorm Warning | MPX | Chippewa, Lac qui Parle, Swift | 44 min |
| Sep 20, 11:31 AM CDT | Severe Thunderstorm Warning | MPX | Kandiyohi, Pope, Stearns, Swift | 59 min |
| Sep 20, 12:16 PM CDT | Severe Thunderstorm Warning | MPX | Chippewa, Kandiyohi | 38 min |
| Sep 20, 12:26 PM CDT | Severe Thunderstorm Warning | MPX | Douglas, Pope | 64 min |
| Sep 20, 1:04 PM CDT | Flash Flood Watch | MPX | Anoka, Benton, Carver, Chippewa, Chisago, Dakota and 23 more | 18 hr |
| Sep 20, 1:05 PM CDT | Severe Thunderstorm Warning | MPX | Meeker, Stearns, Wright | 27 min |
| Sep 20, 1:14 PM CDT | Severe Thunderstorm Warning | MPX | Morrison, Stearns, Todd | 61 min |
| Sep 20, 1:51 PM CDT | Severe Thunderstorm Warning | MPX | Benton, Mille Lacs, Morrison | 54 min |
| Sep 20, 2:01 PM CDT | Flash Flood Warning | MPX | Benton, Mille Lacs, Morrison, Pope, Stearns, Todd | 6 hr |
| Sep 20, 2:42 PM CDT | Tornado Warning | MPX | Benton, Sherburne | 33 min |
| Sep 20, 2:44 PM CDT | Tornado Warning | MPX | Chippewa, Kandiyohi, Renville | 46 min |
| Sep 20, 2:47 PM CDT | Severe Thunderstorm Warning | MPX | Benton, Morrison | 58 min |
| Sep 20, 2:57 PM CDT | Tornado Warning | MPX | Benton, Mille Lacs, Sherburne | 33 min |
| Sep 20, 3:13 PM CDT | Severe Thunderstorm Warning | MPX | Isanti | 16 min |
| Sep 20, 3:27 PM CDT | Severe Thunderstorm Warning | MPX | Kanabec, Mille Lacs, Morrison | 63 min |
| Sep 20, 3:28 PM CDT | Tornado Warning | MPX | Kandiyohi, Meeker | 47 min |
| Sep 20, 3:54 PM CDT | Tornado Warning | MPX | Kanabec, Mille Lacs | 35 min |
| Sep 20, 4:11 PM CDT | Tornado Warning | MPX | Kanabec, Mille Lacs | 25 min |
| Sep 20, 4:13 PM CDT | Tornado Warning | MPX | Kandiyohi, Meeker | 47 min |
| Sep 20, 4:42 PM CDT | Severe Thunderstorm Warning | MPX | Wright | 63 min |
| Sep 20, 5:07 PM CDT | Severe Thunderstorm Warning | MPX | Carver, Hennepin | 53 min |
| Sep 20, 5:30 PM CDT | Severe Thunderstorm Warning | MPX | Anoka, Dakota, Ramsey, Scott | 60 min |
| Sep 20, 5:47 PM CDT | Tornado Warning | MPX | Hennepin, Scott | 31 min |
| Sep 20, 6:01 PM CDT | Severe Thunderstorm Warning | MPX | Hennepin | 29 min |
| Sep 20, 6:07 PM CDT | Severe Thunderstorm Warning | MPX | Washington | 53 min |
| Sep 20, 6:11 PM CDT | Severe Thunderstorm Warning | MPX | Sherburne, Wright | 34 min |
| Sep 20, 6:14 PM CDT | Tornado Warning | MPX | Dakota, Washington | 31 min |
| Sep 20, 6:30 PM CDT | Severe Thunderstorm Warning | MPX | Anoka, Hennepin | 60 min |
| Sep 20, 6:51 PM CDT | Severe Thunderstorm Warning | MPX | Wright | 39 min |
Nearby
Tornado Warnings in Minnesota, 2007Every tornado warning in 2007Tornadoes in 2007
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.