Alert archive / Minnesota / Severe Thunderstorm Warnings in 2001
Severe Thunderstorm Warning 33, NWS Twin Cities, MN
NWS Twin Cities, MN issued this severe thunderstorm warning at May 9, 2001, 7:09 PM CDT for Mille Lacs County, Morrison County, Minnesota. It was in force for 51 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
- May 9, 2001, 7:09 PM CDT (00:09 UTC)
- Expired
- May 9, 2001, 8:00 PM CDT
- In force
- 51 min
- Issued by
- NWS Twin Cities, MN
- Area
- Whole counties; the outline is the Mesonet’s reconstruction
Counties Mille Lacs County, MN, Morrison County, MN
The radar
The Minneapolis radar (KMPX), 141 km from the middle of the area, began a volume at 00:11 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 00:00Z, 0.2 hours before the alert went out and 141 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
- 1211 J/kg
- Mixed-layer CIN
- -80 J/kg
- Mixed-layer LCL
- 1740 m above ground
- 0-6 km bulk shear
- 63 kt
- 0-1 km storm-relative helicity
- 368 m²/s²
- 0-3 km storm-relative helicity
- 795 m²/s²
- Significant tornado parameter
- 1.1
- Supercell composite
- 8.0
The text
As transmitted, in the capitals the NWS used until 2016.
566 WUUS53 KMPX 100010 SVRMSP MNC095-097-100100- BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN 709 PM CDT WED MAY 9 2001 THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... MILLE LACS COUNTY IN MINNESOTA EASTERN MORRISON COUNTY IN MINNESOTA * UNTIL 800 PM CDT * AT 709 PM CDT...RADAR INDICATED A SEVERE THUNDERSTORM WITH LARGE HAIL AND DAMAGING WINDS 3 MILES NORTHWEST OF LASTRUP...OR ABOUT 15 MILES NORTHEAST OF LITTLE FALLS...MOVING EAST AT 25 MPH. * SOME LOCATIONS AFFECTED BY THIS STORM INCLUDE... ONAMIA. MILLACA THIS IS A DANGEROUS STORM...STAY INDOORS AWAY FROM WINDOWS. SEVERE THUNDERSTORMS CAN PRODUCE TORNADOES WITH LITTLE OR NO ADVANCE WARNING. LAT...LON 4615 9418 4593 9414 4595 9354 4631 9350 $$ CWS
The office that day
Everything else NWS Twin Cities, MN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 9, 7:02 PM CDT | Severe Thunderstorm Warning | MPX | Faribault, Freeborn | 43 min |
| May 9, 7:05 PM CDT | Severe Thunderstorm Warning | MPX | Dakota, Hennepin | 40 min |
| May 9, 7:14 PM CDT | Severe Thunderstorm Warning | MPX | Scott | 31 min |
| May 9, 7:26 PM CDT | Severe Thunderstorm Warning | MPX | Steele, Waseca | 64 min |
| May 9, 7:26 PM CDT | Tornado Warning | MPX | Scott | 34 min |
| May 9, 7:29 PM CDT | Severe Thunderstorm Warning | MPX | Goodhue | 61 min |
| May 9, 7:46 PM CDT | Severe Thunderstorm Warning | MPX | Dakota | 44 min |
| May 9, 7:46 PM CDT | Severe Thunderstorm Warning | MPX | Faribault, Freeborn | 44 min |
| May 9, 7:54 PM CDT | Tornado Warning | MPX | Dakota, Rice | 36 min |
| May 9, 8:01 PM CDT | Severe Thunderstorm Warning | MPX | Kanabec, Mille Lacs | 44 min |
| May 9, 8:06 PM CDT | Tornado Warning | MPX | Kanabec, Mille Lacs | 39 min |
| May 9, 8:10 PM CDT | Tornado Warning | MPX | Goodhue | 35 min |
| May 9, 8:10 PM CDT | Tornado Warning | MPX | Steele | 35 min |
| May 9, 8:44 PM CDT | Tornado Warning | MPX | Goodhue | 31 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.