Alert archive / Minnesota / Severe Thunderstorm Warnings in 2001
Severe Thunderstorm Warning 188, NWS Twin Cities, MN
NWS Twin Cities, MN issued this severe thunderstorm warning at Jul 23, 2001, 5:17 AM CDT for Anoka County, Chisago County, Isanti County, Minnesota. It was in force for 28 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 23, 2001, 5:17 AM CDT (10:17 UTC)
- Expired
- Jul 23, 2001, 5:45 AM CDT
- In force
- 28 min
- Issued by
- NWS Twin Cities, MN
- Area
- Whole counties; the outline is the Mesonet’s reconstruction
Counties Anoka County, MN, Chisago County, MN, Isanti County, MN
The radar
The Minneapolis radar (KMPX), 83 km from the middle of the area, began a volume at 10:18 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 23, 2:30 AM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
The nearest sounding before it
Minneapolis, MN (KMPX), launched 00:00Z, 10.3 hours before the alert went out and 84 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 231018 SVRMSP MNC003-025-059-231045- BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN 517 AM CDT MON JUL 23 2001 THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... ANOKA COUNTY IN EAST CENTRAL MINNESOTA CHISAGO COUNTY IN EAST CENTRAL MINNESOTA EASTERN ISANTI COUNTY IN EAST CENTRAL MINNESOTA * UNTIL 545 AM CDT * AT 517 AM CDT...RADAR INDICATED A SEVERE THUNDERSTORM WITH LARGE HAIL AND DAMAGING WINDS 6 MILES NORTHEAST OF EAST BETHEL...OR ABOUT 11 MILES SOUTH OF CAMBRIDGE...MOVING EAST AT 45 MPH. * SOME LOCATIONS AFFECTED BY THIS STORM INCLUDE... CAMBRIDGE. EAST BETHEL. NORTH BRANCH. CHISAGO CITY. 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. LAT...LON 4569 9329 4525 9331 4533 9280 4570 9296
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, 5:42 AM CDT | Severe Thunderstorm Warning | MPX | Blue Earth | 48 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.