Alert archive / Minnesota / Severe Thunderstorm Warnings in 2001
Severe Thunderstorm Warning 189, NWS Twin Cities, MN
NWS Twin Cities, MN issued this severe thunderstorm warning at Jul 23, 2001, 5:42 AM CDT for Blue Earth County, Minnesota. It was in force for 48 min. 1 report came from inside the area while it was in force.
The area
The counties it named, with what was reported inside it.
The facts
- Issued
- Jul 23, 2001, 5:42 AM CDT (10:42 UTC)
- Expired
- Jul 23, 2001, 6:30 AM CDT
- In force
- 48 min
- Issued by
- NWS Twin Cities, MN
- Area
- Whole counties
County Blue Earth County, MN
The radar
The Minneapolis radar (KMPX), 99 km from the middle of the area, began a volume at 10:43 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 23, 6:10 AM CDT | Thunderstorm Wind 50 E | Madison Lake, MN | Several trees toppled on south side of Lake Washington. |
NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in.
The nearest sounding before it
Minneapolis, MN (KMPX), launched 00:00Z, 10.7 hours before the alert went out and 98 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
- 2234 J/kg
- Mixed-layer CIN
- -60 J/kg
- Mixed-layer LCL
- 1124 m above ground
- 0-6 km bulk shear
- 33 kt
- 0-1 km storm-relative helicity
- 0 m²/s²
- 0-3 km storm-relative helicity
- 200 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 231042 SVRMSP MNC013-231130- BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN 542 AM CDT MON JUL 23 2001 THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... BLUE EARTH COUNTY IN SOUTH CENTRAL MINNESOTA * UNTIL 630 AM CDT * AT 542 AM CDT...RADAR INDICATED A SEVERE THUNDERSTORM WITH DAMAGING WINDS 7 MILES NORTHWEST OF LAKE CRYSTAL...OR ABOUT 12 MILES SOUTHEAST OF NEW ULM...MOVING SOUTHEAST AT 25 MPH. * SOME LOCATIONS AFFECTED BY THIS STORM INCLUDE... MANKATO. VERNON CENTER. SKYLINE. LAKE CRYSTAL. GOOD THUNDER. EAGLE LAKE. THIS IS A DANGEROUS STORM...STAY INDOORS AWAY FROM WINDOWS. SEVERE THUNDERSTORMS CAN PRODUCE TORNADOES WITH LITTLE OR NO ADVANCE WARNING. THIS IS A DANGEROUS STORM WITH DAMAGING WINDS...STAY INDOORS AWAY FROM WINDOWS.
The office that day
Everything else NWS Twin Cities, MN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 22, 9:29 PM CDT | Severe Thunderstorm Warning | MPX | Chippewa, Lac qui Parle | 46 min |
| Jul 23, 1:48 AM CDT | Severe Thunderstorm Warning | MPX | Stevens, Swift | 42 min |
| Jul 23, 2:29 AM CDT | Severe Thunderstorm Warning | MPX | Kandiyohi, Pope, Stearns, Swift | 61 min |
| Jul 23, 3:13 AM CDT | Severe Thunderstorm Warning | MPX | Meeker, Stearns | 47 min |
| Jul 23, 5:11 AM CDT | Severe Thunderstorm Warning | MPX | Brown, Nicollet | 49 min |
| Jul 23, 5:17 AM CDT | Severe Thunderstorm Warning | MPX | Anoka, Chisago, Isanti | 28 min |
| Jul 23, 6:04 AM CDT | Severe Thunderstorm Warning | MPX | Le Sueur | 41 min |
| Jul 23, 7:31 AM CDT | Severe Thunderstorm Warning | MPX | Goodhue | 44 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.