Alert archive / Minnesota / Severe Thunderstorm Warnings in 2001
Severe Thunderstorm Warning 179, NWS Twin Cities, MN
NWS Twin Cities, MN issued this severe thunderstorm warning at Jul 18, 2001, 1:11 AM CDT for Carver County, Minnesota. It was in force for 49 min. No storm report in the archive falls inside the area while it was in force.
The area
The outline the Iowa Environmental Mesonet reconstructed for it; the warning itself named whole counties.
The facts
- Issued
- Jul 18, 2001, 1:11 AM CDT (06:11 UTC)
- Expired
- Jul 18, 2001, 2:00 AM CDT
- In force
- 49 min
- Issued by
- NWS Twin Cities, MN
- Area
- Whole counties; the outline is the Mesonet’s reconstruction
County Carver County, MN
The radar
The Minneapolis radar (KMPX), 22 km from the middle of the area, began a volume at 06:13 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 17, 9:30 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
The nearest sounding before it
Minneapolis, MN (KMPX), launched 00:00Z, 6.2 hours before the alert went out and 19 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
- 4439 J/kg
- Mixed-layer CIN
- -6 J/kg
- Mixed-layer LCL
- 1233 m above ground
- 0-6 km bulk shear
- 30 kt
- 0-1 km storm-relative helicity
- 29 m²/s²
- 0-3 km storm-relative helicity
- 87 m²/s²
- Significant tornado parameter
- 0.7
- Supercell composite
- 4.8
The text
As transmitted, in the capitals the NWS used until 2016.
775 WUUS53 KMPX 180611 SVRMSP MNC019-180700- BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN 111 AM CDT WED JUL 18 2001 THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... CARVER COUNTY IN MINNESOTA * UNTIL 200 AM CDT * AT 111 AM CDT...RADAR INDICATED A SEVERE THUNDERSTORM WITH LARGE HAIL AND DAMAGING WINDS 3 MILES NORTH OF NEW GERMANY...OR ABOUT 20 MILES EAST OF HUTCHINSON...MOVING SOUTHEAST AT 25 MPH. * SOME LOCATIONS AFFECTED BY THIS STORM INCLUDE... WACONIA. NEW GERMANY. MAYER. WATERTOWN. LARGE HAIL AND DAMAGING WINDS ARE LIKELY WITH THIS STORM. TAKE COVER IN A STURDY BUILDING AND STAY AWAY FROM WINDOWS. LAT...LON 4497 9394 4489 9400 4471 9373 4487 9358
The office that day
Everything else NWS Twin Cities, MN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 17, 8:10 PM CDT | Severe Thunderstorm Warning | MPX | Morrison | 35 min |
| Jul 17, 8:37 PM CDT | Tornado Warning | MPX | Morrison | 23 min |
| Jul 17, 8:57 PM CDT | Severe Thunderstorm Warning | MPX | Morrison | 48 min |
| Jul 17, 10:05 PM CDT | Severe Thunderstorm Warning | MPX | Douglas, Todd | 40 min |
| Jul 17, 10:25 PM CDT | Severe Thunderstorm Warning | MPX | Benton, Mille Lacs | 50 min |
| Jul 17, 10:31 PM CDT | Severe Thunderstorm Warning | MPX | Kanabec | 44 min |
| Jul 18, 12:55 AM CDT | Severe Thunderstorm Warning | MPX | Wright | 50 min |
Nearby
Severe Thunderstorm Warnings in Minnesota, 2001Every severe thunderstorm warning in 2001
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.