Alert archive / Minnesota / Severe Thunderstorm Warnings in 2001
Severe Thunderstorm Warning 201, NWS Twin Cities, MN
NWS Twin Cities, MN issued this severe thunderstorm warning at Aug 17, 2001, 7:32 PM CDT for Pope County, Minnesota. It was in force for 43 min. 1 report came from 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, with what was reported inside it.
The facts
- Issued
- Aug 17, 2001, 7:32 PM CDT (00:32 UTC)
- Expired
- Aug 17, 2001, 8:15 PM CDT
- In force
- 43 min
- Issued by
- NWS Twin Cities, MN
- Area
- Whole counties; the outline is the Mesonet’s reconstruction
County Pope County, MN
The radar
The Minneapolis radar (KMPX), 169 km from the middle of the area, began a volume at 00:34 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 |
|---|---|---|---|
| Aug 17, 7:56 PM CDT | Hail 0.75 | Sedan, MN |
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 watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Aug 17, 5:00 PM CDT | Severe Thunderstorm Watch | SPC | 5 hr |
The nearest sounding before it
Minneapolis, MN (KMPX), launched 00:00Z, 0.5 hours before the alert went out and 166 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
- 478 J/kg
- Mixed-layer CIN
- -6 J/kg
- Mixed-layer LCL
- 1766 m above ground
- 0-6 km bulk shear
- 16 kt
- 0-1 km storm-relative helicity
- 48 m²/s²
- 0-3 km storm-relative helicity
- 113 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.7
The text
As transmitted, in the capitals the NWS used until 2016.
002 WUUS53 KMPX 180032 SVRMSP MNC121-180115- BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN 732 PM CDT FRI AUG 17 2001 THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... POPE COUNTY IN WEST CENTRAL MINNESOTA * UNTIL 815 PM CDT * AT 732 PM CDT...RADAR INDICATED A SEVERE THUNDERSTORM WITH LARGE HAIL AND DAMAGING WINDS 3 MILES NORTHWEST OF VILLARD...OR ABOUT 7 MILES NORTHEAST OF GLENWOOD...MOVING SOUTHEAST AT 25 MPH. * SOME LOCATIONS AFFECTED BY THIS STORM INCLUDE... WESTPORT. VILLARD. SEDAN. LONG BEACH. GLENWOOD. LARGE HAIL AND DAMAGING WINDS ARE LIKELY WITH THIS STORM. TAKE COVER IN A STURDY BUILDING AND STAY AWAY FROM WINDOWS. LAT...LON 4575 9551 4553 9551 4554 9520 4576 9517
The office that day
Everything else NWS Twin Cities, MN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 17, 7:08 PM CDT | Severe Thunderstorm Warning | MPX | Todd | 37 min |
| Aug 17, 7:14 PM CDT | Severe Thunderstorm Warning | MPX | Renville | 46 min |
| Aug 17, 7:17 PM CDT | Severe Thunderstorm Warning | MPX | Morrison | 58 min |
| Aug 17, 7:44 PM CDT | Severe Thunderstorm Warning | MPX | Stearns, Todd | 61 min |
| Aug 17, 7:59 PM CDT | Severe Thunderstorm Warning | MPX | Redwood | 46 min |
| Aug 17, 8:11 PM CDT | Severe Thunderstorm Warning | MPX | Benton | 49 min |
| Aug 17, 8:43 PM CDT | Severe Thunderstorm Warning | MPX | Kandiyohi, Meeker, Stearns | 47 min |
| Aug 17, 9:00 PM CDT | Severe Thunderstorm Warning | MPX | Blue Earth, Brown, Watonwan | 60 min |
| Aug 17, 9:31 PM CDT | Severe Thunderstorm Warning | MPX | Wright | 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.