Alert archive / Minnesota / Severe Thunderstorm Warnings in 2007
Severe Thunderstorm Warning 21, NWS Twin Cities, MN
NWS Twin Cities, MN issued this severe thunderstorm warning at Apr 30, 2007, 1:13 PM CDT for Goodhue County, Rice County, Minnesota. It was in force for 24 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
- Apr 30, 2007, 1:13 PM CDT (18:13 UTC)
- Expired
- Apr 30, 2007, 1:37 PM CDT
- In force
- 24 min
- Issued by
- NWS Twin Cities, MN
- Area
- Counties, with a storm outline in the text
Counties Goodhue County, MN, Rice County, MN
The radar
The Minneapolis radar (KMPX), 62 km from the middle of the area, began a volume at 18:16 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 nearest sounding before it
Minneapolis, MN (KMPX), launched 12:00Z, 6.2 hours before the alert went out and 64 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
- 2666 m above ground
- 0-6 km bulk shear
- 48 kt
- 0-1 km storm-relative helicity
- -57 m²/s²
- 0-3 km storm-relative helicity
- 122 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 301815 SVRMPX MNC049-131-301915- /O.NEW.KMPX.SV.W.0021.070430T1813Z-070430T1915Z/ BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN 113 PM CDT MON APR 30 2007 THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... GOODHUE COUNTY IN SOUTHEAST MINNESOTA... RICE COUNTY IN SOUTH CENTRAL MINNESOTA... * UNTIL 215 PM CDT * AT 112 PM CDT...DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM... CAPABLE OF PRODUCING QUARTER SIZE HAIL. THIS STORM WAS LOCATED 5 MILES SOUTH OF NORTHFIELD...OR ABOUT 8 MILES NORTHEAST OF FARIBAULT...AND MOVING EAST AT 40 MPH. OTHER POSSIBLE SEVERE STORM WERE EXTENDING EAST TOWARD THE CITY OF GOODHUE. * LOCATIONS IMPACTED INCLUDE... KENYON... ZUMBROTA... 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 4446 9348 4424 9351 4425 9259 4453 9253 $$
1 follow-up statement
000 WWUS53 KMPX 301837 SVSMPX SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN 135 PM CDT MON APR 30 2007 MNC049-131-301845- /O.CAN.KMPX.SV.W.0021.000000T0000Z-070430T1915Z/ GOODHUE MN-RICE MN- 135 PM CDT MON APR 30 2007 ...THE SEVERE THUNDERSTORM WARNING FOR RICE AND GOODHUE COUNTIES IS CANCELLED... RADAR INDICATED THAT THE LINE OF STORMS HAD WEAKENED TO BELOW SEVERE LIMITS. THUS THE WARNING HAS BEEN CANCELLED. STRONG THUNDERSTORMS DO CONTINUE ALONG A LINE FROM NEAR NORTHFIELD TO GOODHUE...WHICH COULD STILL PRODUCE SMALL HAIL. LAT...LON 4446 9349 4424 9351 4425 9259 4453 9253 $$ JPR
The office that day
Everything else NWS Twin Cities, MN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 30, 12:51 PM CDT | Severe Thunderstorm Warning | MPX | Le Sueur, Nicollet | 54 min |
| Apr 30, 2:24 PM CDT | Severe Thunderstorm Warning | MPX | Goodhue | 24 min |
| Apr 30, 4:19 PM CDT | Severe Thunderstorm Warning | MPX | Blue Earth, Waseca | 41 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.