Alert archive / Minnesota / Severe Thunderstorm Warnings in 2007
Severe Thunderstorm Warning 213, NWS Twin Cities, MN
NWS Twin Cities, MN issued this severe thunderstorm warning at Jul 3, 2007, 5:36 PM CDT for Steele County, Waseca County, Minnesota. It was in force for 54 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
- Jul 3, 2007, 5:36 PM CDT (22:36 UTC)
- Expired
- Jul 3, 2007, 6:30 PM CDT
- In force
- 54 min
- Issued by
- NWS Twin Cities, MN
- Area
- Counties, with a storm outline in the text
Counties Steele County, MN, Waseca County, MN
The radar
The Minneapolis radar (KMPX), 77 km from the middle of the area, began a volume at 22:38 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 watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Jul 3, 12:10 PM CDT | Tornado Watch | SPC | 8 hr |
The nearest sounding before it
Minneapolis, MN (KMPX), launched 12:00Z, 10.6 hours before the alert went out and 78 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
- 1198 J/kg
- Mixed-layer CIN
- -50 J/kg
- Mixed-layer LCL
- 975 m above ground
- 0-6 km bulk shear
- 22 kt
- 0-1 km storm-relative helicity
- 45 m²/s²
- 0-3 km storm-relative helicity
- 89 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.1
The text
As transmitted, in the capitals the NWS used until 2016.
000 WUUS53 KMPX 032236 SVRMPX MNC147-161-032330- /O.NEW.KMPX.SV.W.0213.070703T2236Z-070703T2330Z/ BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN 536 PM CDT TUE JUL 3 2007 THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... WASECA COUNTY IN SOUTH CENTRAL MINNESOTA... STEELE COUNTY IN SOUTH CENTRAL MINNESOTA... * UNTIL 630 PM CDT * AT 532 PM CDT...DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM... CAPABLE OF PRODUCING NICKEL SIZE HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH. THIS STORM WAS LOCATED 9 MILES WEST OF DEERFIELD...OR ABOUT 6 MILES NORTH OF WASECA...AND MOVING EAST AT 20 MPH. * LOCATIONS IMPACTED INCLUDE... DEERFIELD... 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 4419 9363 4411 9358 4410 9328 4419 9329 $$
1 follow-up statement
000
WWUS53 KMPX 032309
SVSMPX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
608 PM CDT TUE JUL 3 2007
MNC147-161-032330-
/O.CON.KMPX.SV.W.0213.000000T0000Z-070703T2330Z/
WASECA MN-STEELE MN-
608 PM CDT TUE JUL 3 2007
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 630 PM CDT
FOR STEELE AND WASECA COUNTIES...
AT 607 PM CDT...DOPPLER RADAR CONTINUED TO INDICATE A SEVERE
THUNDERSTORM...CAPABLE OF PRODUCING QUARTER SIZE HAIL...AND DAMAGING
WINDS IN EXCESS OF 60 MPH. THIS STORM WAS LOCATED NEAR CLINTON
FALLS...OR ABOUT OVER MEDFORD...AND MOVING EAST AT 25 MPH.
ANOTHER SEVERE THUNDERSTORM WAS LOCATED JUST SOUTHWEST OF WALDORF
AND MOVING EAST AT 25 MPH. THIS STORM IS CAPABLE OF PRODUCING
QUARTER SIZE HAIL.
OTHER LOCATIONS IN THE WARNING INCLUDE OTISCO...MOLAND...MERTON...
CLINTON FALLS...WALDORF...OWATONNA...NEW RICHLAND AND MEDFORD.
DOPPLER RADAR HAS INDICATED SOME WEAK ROTATION WITHIN THIS STORM.
WHILE NOT IMMEDIATELY LIKELY...A TORNADO MAY STILL DEVELOP. IF A
TORNADO IS SPOTTED...ACT QUICKLY AND MOVE TO A PLACE OF SAFETY IN A
STURDY STRUCTURE...SUCH AS A BASEMENT OR SMALL INTERIOR ROOM.
LAT...LON 4398 9376 4386 9377 4386 9342 4398 9340
4399 9308 4419 9305 4418 9335 4402 9343
$$The office that day
Everything else NWS Twin Cities, MN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 3, 11:56 AM CDT | Severe Thunderstorm Warning | MPX | Kandiyohi, Meeker, Stearns | 49 min |
| Jul 3, 12:46 PM CDT | Severe Thunderstorm Warning | MPX | Sherburne, Stearns, Wright | 44 min |
| Jul 3, 1:54 PM CDT | Severe Thunderstorm Warning | MPX | Douglas, Todd | 51 min |
| Jul 3, 2:04 PM CDT | Severe Thunderstorm Warning | MPX | Dakota, Rice | 27 min |
| Jul 3, 2:30 PM CDT | Severe Thunderstorm Warning | MPX | Chisago | 45 min |
| Jul 3, 2:51 PM CDT | Severe Thunderstorm Warning | MPX | Douglas, Todd | 39 min |
| Jul 3, 3:06 PM CDT | Severe Thunderstorm Warning | MPX | Stearns | 39 min |
| Jul 3, 3:40 PM CDT | Severe Thunderstorm Warning | MPX | Stearns | 45 min |
| Jul 3, 4:48 PM CDT | Severe Thunderstorm Warning | MPX | Dakota, Rice, Scott | 42 min |
| Jul 3, 5:13 PM CDT | Severe Thunderstorm Warning | MPX | Wright | 62 min |
| Jul 3, 5:26 PM CDT | Severe Thunderstorm Warning | MPX | Dakota, Goodhue, Rice | 64 min |
| Jul 3, 5:46 PM CDT | Severe Thunderstorm Warning | MPX | Blue Earth | 44 min |
| Jul 3, 6:13 PM CDT | Tornado Warning | MPX | Faribault, Freeborn | 32 min |
| Jul 3, 6:27 PM CDT | Severe Thunderstorm Warning | MPX | Steele, Waseca | 63 min |
| Jul 3, 6:37 PM CDT | Severe Thunderstorm Warning | MPX | Freeborn | 53 min |
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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.