Alert archive / Minnesota / Severe Thunderstorm Warnings in 2012
Severe Thunderstorm Warning 71, NWS Twin Cities, MN
NWS Twin Cities, MN issued this severe thunderstorm warning at May 19, 2012, 6:17 PM CDT for Anoka County, Hennepin 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 as issued, with what was reported inside it.
The facts
- Issued
- May 19, 2012, 6:17 PM CDT (23:17 UTC)
- Expired
- May 19, 2012, 7:00 PM CDT
- In force
- 43 min
- Issued by
- NWS Twin Cities, MN
- Area
- Storm-based polygon
- Hail
- 0.88 in
- Wind
- 60.0 mph
Counties Anoka County, MN, Hennepin County, MN
The radar
The Minneapolis radar (KMPX), 43 km from the middle of the area, began a volume at 23:17 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 19, 6:38 PM CDT | HAIL 0.5 | 4 Ssw Minneapolis, MN |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Minneapolis, MN (KMPX), launched 12:00Z, 11.3 hours before the alert went out and 44 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
- 23 J/kg
- Mixed-layer CIN
- -352 J/kg
- Mixed-layer LCL
- 1615 m above ground
- 0-6 km bulk shear
- 22 kt
- 0-1 km storm-relative helicity
- 192 m²/s²
- 0-3 km storm-relative helicity
- 147 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
051
WUUS53 KMPX 192317
SVRMPX
MNC003-053-200000-
/O.NEW.KMPX.SV.W.0071.120519T2317Z-120520T0000Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
617 PM CDT SAT MAY 19 2012
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 700 PM CDT
* AT 612 PM CDT...RADAR INDICATED A SEVERE THUNDERSTORM...CAPABLE OF
PRODUCING DAMAGING WINDS OF 60 MPH. THIS STORM WAS LOCATED NEAR
LORETTO...OR ABOUT 10 MILES WEST OF PLYMOUTH...AND MOVING NORTHEAST
AT 35 MPH. NICKEL SIZE HAIL MAY ALSO ACCOMPANY THESE DAMAGING
WINDS.
LOCATIONS IN THE WARNING INCLUDE...
PLYMOUTH...
MINNEAPOLIS...
LORETTO...
MEDINA...
MAPLE PLAIN...
LONG LAKE...
ORONO...
WAYZATA...
WOODLAND...
EXCELSIOR...
MOUND...
MINNETRISTA...
DEEPHAVEN...
SHOREWOOD...
PRECAUTIONARY/PREPAREDNESS ACTIONS...
IF YOU ARE IN THE PATH OF THIS STORM...PREPARE IMMEDIATELY FOR
DAMAGING WINDS IN EXCESS OF 60 MPH AND HAIL. SEEK SHELTER NOW INSIDE
A STURDY STRUCTURE AND STAY AWAY FROM WINDOWS.
THIS STORM HAS A HISTORY OF PRODUCING DESTRUCTIVE WINDS AND LARGE
DAMAGING HAIL. SEEK SHELTER NOW INSIDE A STURDY STRUCTURE AND STAY
AWAY FROM WINDOWS!
&&
LAT...LON 4541 9306 4512 9323 4491 9322 4490 9376
4523 9351 4542 9350
TIME...MOT...LOC 2317Z 216DEG 32KT 4508 9362
WIND...HAIL 60MPH 0.88IN
$$The office that day
Everything else NWS Twin Cities, MN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 18, 8:21 PM CDT | Special Weather Statement | MPX | Redwood | 39 min |
| May 18, 9:34 PM CDT | Special Weather Statement | MPX | Kandiyohi | 41 min |
| May 18, 9:45 PM CDT | Severe Thunderstorm Warning | MPX | Kandiyohi | 45 min |
| May 18, 10:48 PM CDT | Severe Thunderstorm Warning | MPX | Stearns | 27 min |
| May 18, 11:13 PM CDT | Severe Thunderstorm Warning | MPX | Stearns, Todd | 47 min |
| May 18, 11:46 PM CDT | Severe Thunderstorm Warning | MPX | Todd | 23 min |
| May 19, 4:38 PM CDT | Severe Thunderstorm Warning | MPX | Renville | 32 min |
| May 19, 5:17 PM CDT | Severe Thunderstorm Warning | MPX | McLeod, Renville, Sibley | 58 min |
| May 19, 5:53 PM CDT | Severe Thunderstorm Warning | MPX | Carver, Hennepin, Wright | 52 min |
| May 19, 6:33 PM CDT | Severe Thunderstorm Warning | MPX | Hennepin, Sherburne | 27 min |
| May 19, 6:36 PM CDT | Severe Thunderstorm Warning | MPX | Anoka, Chisago, Dakota, Hennepin, Ramsey, Washington | 54 min |
| May 19, 6:54 PM CDT | Severe Thunderstorm Warning | MPX | Anoka, Hennepin, Isanti | 38 min |
Nearby
Severe Thunderstorm Warnings in Minnesota, 2012Every severe thunderstorm warning in 2012
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.