Alert archive / Minnesota / Severe Thunderstorm Warnings in 2007
Severe Thunderstorm Warning 245, NWS Twin Cities, MN
NWS Twin Cities, MN issued this severe thunderstorm warning at Jul 24, 2007, 8:41 PM CDT for Chippewa County, Yellow Medicine County, Minnesota. It was in force for 64 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 24, 2007, 8:41 PM CDT (01:41 UTC)
- Expired
- Jul 24, 2007, 9:45 PM CDT
- In force
- 64 min
- Issued by
- NWS Twin Cities, MN
- Area
- Counties, with a storm outline in the text
The radar
The Minneapolis radar (KMPX), 162 km from the middle of the area, began a volume at 01:45 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 24, 8:54 PM CDT | HAIL 1 | Montevideo, MN | |
| Jul 24, 8:58 PM CDT | HAIL 1 | Montevideo, MN | NICKEL TO QUARTER SIZE HAIL OCCURRING. |
| Jul 24, 8:59 PM CDT | HAIL 1 | 3 S Montevideo, MN | |
| Jul 24, 9:00 PM CDT | HAIL 1.75 | 2 Ssw Montevideo, MN | HAILED FOR SEVERAL MINUTES. SOME CORN DAMAGE. |
| Jul 24, 9:02 PM CDT | HAIL 1.75 | Montevideo, MN | QUARTER SIZE HAIL ALSO REPORTED. |
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 00:00Z, 1.7 hours before the alert went out and 160 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
- 2185 J/kg
- Mixed-layer CIN
- -3 J/kg
- Mixed-layer LCL
- 1043 m above ground
- 0-6 km bulk shear
- 7 kt
- 0-1 km storm-relative helicity
- -15 m²/s²
- 0-3 km storm-relative helicity
- 30 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 WUUS53 KMPX 250141 SVRMPX MNC023-173-250245- /O.NEW.KMPX.SV.W.0245.070725T0141Z-070725T0245Z/ BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN 841 PM CDT TUE JUL 24 2007 THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... CHIPPEWA COUNTY IN WEST CENTRAL MINNESOTA... YELLOW MEDICINE COUNTY IN WEST CENTRAL MINNESOTA... * UNTIL 945 PM CDT * AT 840 PM CDT...DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM... CAPABLE OF PRODUCING QUARTER SIZE HAIL. THIS STORM WAS LOCATED NEAR MONTEVIDEO...OR ABOUT OVER MONTEVIDEO. THIS STORM WAS NEARLY STATIONARY. * LOCATIONS IMPACTED INCLUDE... MONTEVIDEO... HAIL UP TO A NICKEL HAS BEEN REPORTED IN MONTEVIDEO WITH THIS STORM. SEVERE THUNDERSTORMS CAN PRODUCE TORNADOES WITH LITTLE OR NO ADVANCE WARNING. PREPARE TO MOVE TO A PLACE OF SAFETY IN A STURDY STRUCTURE SUCH AS A BASEMENT OR SMALL INTERIOR ROOM IF A TORNADO IS SPOTTED. LAT...LON 4502 9550 4506 9572 4489 9575 4484 9564 $$ LS
5 follow-up statements
000 WWUS53 KMPX 250158 SVSMPX SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN 857 PM CDT TUE JUL 24 2007 MNC023-173-250245- /O.CON.KMPX.SV.W.0245.000000T0000Z-070725T0245Z/ CHIPPEWA MN-YELLOW MEDICINE MN- 857 PM CDT TUE JUL 24 2007 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 945 PM CDT FOR YELLOW MEDICINE AND CHIPPEWA COUNTIES IN WEST CENTRAL MINNESOTA... AT 854 PM CDT...QUARTER SIZE HAIL WAS REPORTED IN MONTEVIDEO WITH THIS STORM. THIS STORM WAS LOCATED NEAR MONTEVIDEO...OR ABOUT 11 MILES NORTHEAST OF BOYD. THIS STORM WAS NEARLY STATIONARY. THIS STORM HAS A HISTORY OF PRODUCING LARGE DAMAGING HAIL. SEEK SHELTER NOW INSIDE A STURDY STRUCTURE AND STAY AWAY FROM WINDOWS LAT...LON 4506 9552 4506 9572 4485 9574 4484 9564 $$ LS
000 WWUS53 KMPX 250207 SVSMPX SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN 906 PM CDT TUE JUL 24 2007 MNC023-173-250245- /O.CON.KMPX.SV.W.0245.000000T0000Z-070725T0245Z/ CHIPPEWA MN-YELLOW MEDICINE MN- 906 PM CDT TUE JUL 24 2007 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 945 PM CDT FOR YELLOW MEDICINE AND CHIPPEWA COUNTIES IN WEST CENTRAL MINNESOTA... AT 902 PM CDT...GOLF BALL SIZE HAIL WAS REPORTED IN MONTEVIDEO WITH THIS STORM. AT 905 PM CDT...THIS STORM WAS LOCATED OVER EXTREME NORTH CENTRAL YELLOW MEDICINE COUNTY...OR ABOUT 9 MILES NORTHEAST OF CLARKFIELD. THIS STORM WAS NEARLY STATIONARY. THE SEVERE THUNDERSTORM WILL OTHERWISE REMAIN OVER MAINLY RURAL AREAS OF THE INDICATED COUNTIES. THIS STORM HAS A HISTORY OF PRODUCING DESTRUCTIVE WINDS AND LARGE DAMAGING HAIL. SEEK SHELTER NOW INSIDE A STURDY STRUCTURE AND STAY AWAY FROM WINDOWS LAT...LON 4493 9566 4495 9576 4485 9574 4484 9564 $$ LS
000 WWUS53 KMPX 250213 SVSMPX SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN 912 PM CDT TUE JUL 24 2007 MNC023-173-250245- /O.CON.KMPX.SV.W.0245.000000T0000Z-070725T0245Z/ CHIPPEWA MN-YELLOW MEDICINE MN- 912 PM CDT TUE JUL 24 2007 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 945 PM CDT FOR YELLOW MEDICINE AND CHIPPEWA COUNTIES IN WEST CENTRAL MINNESOTA... AT 902 PM CDT...GOLF BALL SIZE HAIL WAS REPORTED IN MONTEVIDEO WITH THIS STORM. AT 910 PM CDT...THIS STORM WAS LOCATED 4 MILES SOUTH OF MONTEVIDEO...OR ABOUT 9 MILES NORTHEAST OF CLARKFIELD. THIS STORM WAS NEARLY STATIONARY. OTHER LOCATIONS IN THE WARNING INCLUDE MONTEVIDEO. THIS STORM HAS A HISTORY OF PRODUCING LARGE DAMAGING HAIL. SEEK SHELTER NOW INSIDE A STURDY STRUCTURE AND STAY AWAY FROM WINDOWS LAT...LON 4491 9563 4495 9573 4485 9574 4484 9564 $$ LS
000
WWUS53 KMPX 250220
SVSMPX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
919 PM CDT TUE JUL 24 2007
MNC023-173-250245-
/O.CON.KMPX.SV.W.0245.000000T0000Z-070725T0245Z/
CHIPPEWA MN-YELLOW MEDICINE MN-
919 PM CDT TUE JUL 24 2007
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 945 PM CDT
FOR YELLOW MEDICINE AND CHIPPEWA COUNTIES IN WEST CENTRAL
MINNESOTA...
AT 902 PM CDT...GOLF BALL SIZE HAIL WAS REPORTED IN MONTEVIDEO WITH
THIS STORM.
AT 918 PM CDT...DOPPLER RADAR CONTINUED TO INDICATE A SEVERE
THUNDERSTORM...CAPABLE OF PRODUCING QUARTER SIZE HAIL. THIS STORM
WAS LOCATED 5 MILES SOUTH OF MONTEVIDEO...OR ABOUT 9 MILES NORTHEAST
OF CLARKFIELD. THIS STORM WAS NEARLY STATIONARY.
THIS STORM HAS A HISTORY OF PRODUCING LARGE DAMAGING HAIL. SEEK
SHELTER NOW INSIDE A STURDY STRUCTURE AND STAY AWAY FROM WINDOWS
LAT...LON 4491 9563 4495 9573 4489 9585 4481 9585
4474 9593 4476 9563
$$
LS000
WWUS53 KMPX 250226
SVSMPX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
926 PM CDT TUE JUL 24 2007
MNC023-250236-
/O.CAN.KMPX.SV.W.0245.000000T0000Z-070725T0245Z/
CHIPPEWA MN-
926 PM CDT TUE JUL 24 2007
...THE SEVERE THUNDERSTORM WARNING FOR CHIPPEWA COUNTY IN WEST
CENTRAL MINNESOTA IS CANCELLED...
LAT...LON 4487 9564 4489 9572 4489 9585 4471 9593
4474 9565
$$
MNC173-250245-
/O.CON.KMPX.SV.W.0245.000000T0000Z-070725T0245Z/
YELLOW MEDICINE MN-
926 PM CDT TUE JUL 24 2007
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 945 PM CDT
FOR YELLOW MEDICINE COUNTY...
AT 922 PM CDT...DOPPLER RADAR CONTINUED TO INDICATE A SEVERE
THUNDERSTORM...CAPABLE OF PRODUCING QUARTER SIZE HAIL. THIS STORM
WAS LOCATED NEAR CLARKFIELD...AND MOVING SOUTH AT 5 MPH.
OTHER LOCATIONS IN THE WARNING INCLUDE HAZEL RUN.
THIS STORM HAS A HISTORY OF PRODUCING LARGE DAMAGING HAIL. SEEK
SHELTER NOW INSIDE A STURDY STRUCTURE AND STAY AWAY FROM WINDOWS
LAT...LON 4487 9564 4489 9572 4489 9585 4471 9593
4474 9565
$$
LSThe office that day
Everything else NWS Twin Cities, MN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 24, 8:50 PM CDT | Severe Thunderstorm Warning | MPX | Lac qui Parle | 55 min |
| Jul 24, 9:42 PM CDT | Severe Thunderstorm Warning | MPX | Yellow Medicine | 63 min |
| Jul 25, 3:58 AM CDT | Heat Advisory | MPX | Chippewa, Douglas, Lac qui Parle, Pope, Stevens, Swift and 2 more | 15 hr |
Nearby
Severe Thunderstorm Warnings in Minnesota, 2007Every severe thunderstorm warning 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.