Alert archive / Minnesota / Severe Thunderstorm Warnings in 2007
Severe Thunderstorm Warning 247, NWS Twin Cities, MN
NWS Twin Cities, MN issued this severe thunderstorm warning at Jul 24, 2007, 9:42 PM CDT for Yellow Medicine County, Minnesota. It was in force for 63 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
- Jul 24, 2007, 9:42 PM CDT (02:42 UTC)
- Expired
- Jul 24, 2007, 10:45 PM CDT
- In force
- 63 min
- Issued by
- NWS Twin Cities, MN
- Area
- Counties, with a storm outline in the text
County Yellow Medicine County, MN
The radar
The Sioux Falls radar (KFSD), 146 km from the middle of the area, began a volume at 02:42 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, 9:50 PM CDT | HAIL 0.75 | 2 Nw St Leo, MN | ALSO PICKED UP 2.6 INCHES RAIN. |
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, 2.7 hours before the alert went out and 181 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 250242 SVRMPX MNC173-250345- /O.NEW.KMPX.SV.W.0247.070725T0242Z-070725T0345Z/ BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN 942 PM CDT TUE JUL 24 2007 THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... YELLOW MEDICINE COUNTY IN WEST CENTRAL MINNESOTA... * UNTIL 1045 PM CDT * AT 939 PM CDT...DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM... CAPABLE OF PRODUCING QUARTER SIZE HAIL. THIS STORM WAS LOCATED 6 MILES SOUTHWEST OF CLARKFIELD...OR ABOUT 17 MILES SOUTHWEST OF GRANITE FALLS...AND MOVING SOUTH AT 5 MPH. * THE SEVERE THUNDERSTORM WILL OTHERWISE REMAIN OVER MAINLY RURAL AREAS OF THE INDICATED COUNTY THIS STORM HAS A HISTORY OF PRODUCING GOLF BALL SIZE HAIL. STAY INDOORS...AND AWAY FROM WINDOWS. LAT...LON 4481 9572 4480 9613 4466 9614 4469 9573 $$ LS
2 follow-up statements
000 WWUS53 KMPX 250303 SVSMPX SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN 1003 PM CDT TUE JUL 24 2007 MNC173-250345- /O.CON.KMPX.SV.W.0247.000000T0000Z-070725T0345Z/ YELLOW MEDICINE MN- 1003 PM CDT TUE JUL 24 2007 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1045 PM CDT FOR YELLOW MEDICINE COUNTY... AT 1000 PM CDT...DOPPLER RADAR CONTINUED TO INDICATE A SEVERE THUNDERSTORM...CAPABLE OF PRODUCING GOLF BALL SIZE HAIL. THIS STORM WAS LOCATED 3 MILES WEST OF ST LEO...OR ABOUT 7 MILES EAST OF CANBY...AND MOVING SOUTHWEST AT 15 MPH. OTHER LOCATIONS IN THE WARNING INCLUDE ST LEO. THIS STORM HAS A HISTORY OF PRODUCING LARGE DAMAGING HAIL. SEEK SHELTER NOW INSIDE A STURDY STRUCTURE AND STAY AWAY FROM WINDOWS LAT...LON 4477 9588 4477 9622 4464 9629 4463 9594 $$ LS
000 WWUS53 KMPX 250344 SVSMPX SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN 1044 PM CDT TUE JUL 24 2007 MNC173-250354- /O.EXP.KMPX.SV.W.0247.000000T0000Z-070725T0345Z/ YELLOW MEDICINE MN- 1044 PM CDT TUE JUL 24 2007 ...THE SEVERE THUNDERSTORM WARNING FOR YELLOW MEDICINE COUNTY EXPIRES AT 1045 PM CDT... SEVERE STORMS WERE ABOUT TO MOVE OUT OF THE COUNTY. HOWEVER...MORE THUNDERSTORMS WERE DEVELOPING IN THE AREA...REMAIN ALERT FOR POSSIBLE ADDITIONAL WARNINGS. LAT...LON 4477 9588 4477 9622 4464 9629 4463 9594 $$ LS
The office that day
Everything else NWS Twin Cities, MN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 24, 8:41 PM CDT | Severe Thunderstorm Warning | MPX | Chippewa, Yellow Medicine | 64 min |
| Jul 24, 8:50 PM CDT | Severe Thunderstorm Warning | MPX | Lac qui Parle | 55 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.