Alert archive / Minnesota / Severe Thunderstorm Warnings in 2001
Severe Thunderstorm Warning 9, NWS Twin Cities, MN
NWS Twin Cities, MN issued this severe thunderstorm warning at May 1, 2001, 5:13 PM CDT for Anoka County, Hennepin County, Minnesota. It was in force for 47 min. 16 reports 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
- May 1, 2001, 5:13 PM CDT (22:13 UTC)
- Expired
- May 1, 2001, 6:00 PM CDT
- In force
- 47 min
- Issued by
- NWS Twin Cities, MN
- Area
- Whole counties; the outline is the Mesonet’s reconstruction
Counties Anoka County, MN, Hennepin County, MN
The radar
The Minneapolis radar (KMPX), 25 km from the middle of the area, began a volume at 22:12 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 |
|---|---|---|---|
| May 1, 5:15 PM CDT | Hail 0.75 | Eden Prairie, MN | |
| May 1, 5:15 PM CDT | Hail 0.75 | Anoka, MN | |
| May 1, 5:15 PM CDT | Hail 1.75 | Chanhassen, MN | Dozens of homes and vehicles damaged. |
| May 1, 5:22 PM CDT | Hail 1.75 | Eden Prairie, MN | |
| May 1, 5:24 PM CDT | Hail 1.75 | Edina, MN | |
| May 1, 5:25 PM CDT | Hail 0.75 | Minneapolis, MN | Reported at 54th and Lyndale Ave. South. |
| May 1, 5:25 PM CDT | Hail 1.75 | Anoka, MN | |
| May 1, 5:30 PM CDT | Hail 1.75 | Hopkins, MN | |
| May 1, 5:30 PM CDT | Hail 1.5 | Andover, MN | |
| May 1, 5:32 PM CDT | Hail 1.25 | Minneapolis, MN | Reported at 56th and Penn Ave. |
| May 1, 5:35 PM CDT | Hail 1.5 | Minneapolis, MN | Reported at 50th and France Ave South. |
| May 1, 5:40 PM CDT | Hail 1 | Minneapolis, MN | Observed at 45th and Hiawatha Ave. South. |
| May 1, 5:40 PM CDT | Hail 2 | Minneapolis, MN | Reported at 60th and Penn. Ave. Damage estimate pertains to all of the hail reports across Hennepin County. Numerous buildings and vehicles damaged. |
| May 1, 5:44 PM CDT | Hail 1 | Minneapolis, MN | Occured at the Metrodome in downtown Minneapolis. |
| May 1, 5:47 PM CDT | Hail 1 | Minneapolis, MN | Spotted at 19th and Broadway. |
| May 1, 5:50 PM CDT | Hail 1.5 | Ham Lake, 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 |
|---|---|---|---|
| May 1, 3:00 PM CDT | Tornado Watch | SPC | 6 hr |
The nearest sounding before it
Minneapolis, MN (KMPX), launched 12:00Z, 10.2 hours before the alert went out and 26 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 771 m above ground
- 0-6 km bulk shear
- 34 kt
- 0-1 km storm-relative helicity
- 24 m²/s²
- 0-3 km storm-relative helicity
- 73 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
920
WUUS53 KMPX 012215
SVRMSP
MNC003-053-012300-
BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
513 PM CDT TUE MAY 1 2001
THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
ANOKA COUNTY IN EAST CENTRAL MINNESOTA
HENNEPIN COUNTY IN EAST CENTRAL MINNESOTA
* UNTIL 600 PM CDT
* AT 513 PM CDT...RADAR INDICATED A SEVERE THUNDERSTORM WITH LARGE
HAIL AND DAMAGING WINDS 2 MILES SOUTHWEST OF RAMSEY...OR ABOUT 21
MILES NORTHWEST OF MINNEAPOLIS...MOVING NORTHEAST AT 20 MPH. ANOTHER
SEVERE THUNDERSTORM WAS LOCATED NEAR CHANHASSEN MOVING NORTHEAST
AT 20 MPH.
* SOME LOCATIONS AFFECTED BY THIS STORM INCLUDE...
MINNEAPOLIS.
A TORNADO WATCH IS ALSO IN EFFECT FOR THE WARNED AREA. REMEMBER...
SEVERE THUNDERSTORMS CAN PRODUCE TORNADOES WITH LITTLE OR NO ADVANCE
WARNING.
LAT...LON 4495 9370 4481 9350 4487 9320 4540 9322
4540 9349The office that day
Everything else NWS Twin Cities, MN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 30, 7:29 PM CDT | Severe Thunderstorm Warning | MPX | Martin | 61 min |
| May 1, 4:24 PM CDT | Severe Thunderstorm Warning | MPX | Carver, McLeod, Sibley | 51 min |
| May 1, 4:36 PM CDT | Severe Thunderstorm Warning | MPX | Blue Earth, Faribault | 39 min |
| May 1, 4:36 PM CDT | Severe Thunderstorm Warning | MPX | Le Sueur | 39 min |
| May 1, 4:50 PM CDT | Tornado Warning | MPX | Blue Earth | 25 min |
| May 1, 4:55 PM CDT | Tornado Warning | MPX | Carver | 35 min |
| May 1, 5:06 PM CDT | Severe Thunderstorm Warning | MPX | Waseca | 39 min |
| May 1, 5:18 PM CDT | Severe Thunderstorm Warning | MPX | Faribault, Freeborn | 42 min |
| May 1, 5:21 PM CDT | Tornado Warning | MPX | Anoka, Hennepin | 24 min |
| May 1, 5:27 PM CDT | Severe Thunderstorm Warning | MPX | Steele | 48 min |
| May 1, 5:35 PM CDT | Severe Thunderstorm Warning | MPX | Dakota, Ramsey, Washington | 55 min |
| May 1, 5:37 PM CDT | Tornado Warning | MPX | Waseca | 23 min |
| May 1, 5:49 PM CDT | Severe Thunderstorm Warning | MPX | Anoka, Chisago | 41 min |
| May 1, 6:03 PM CDT | Tornado Warning | MPX | Steele, Waseca | 42 min |
| May 1, 6:31 PM CDT | Severe Thunderstorm Warning | MPX | Washington | 29 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.