Alert archive / Minnesota / Severe Thunderstorm Warnings in 2012
Severe Thunderstorm Warning 74, NWS Twin Cities, MN
NWS Twin Cities, MN issued this severe thunderstorm warning at May 19, 2012, 6:54 PM CDT for Anoka County, Hennepin County, Isanti County, Minnesota. It was in force for 38 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, 6:54 PM CDT (23:54 UTC)
- Expired
- May 19, 2012, 7:32 PM CDT
- In force
- 38 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, Isanti County, MN
The radar
The Minneapolis radar (KMPX), 51 km from the middle of the area, began a volume at 23:53 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, 7:30 PM CDT | HAIL 0.75 | Minneapolis, MN | AIRPORT TERMINAL MINNEAPOLIS |
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, 11.9 hours before the alert went out and 52 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.
823
WUUS53 KMPX 192354
SVRMPX
MNC003-053-059-200100-
/O.NEW.KMPX.SV.W.0074.120519T2354Z-120520T0100Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
654 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...
NORTHERN HENNEPIN COUNTY IN EAST CENTRAL MINNESOTA...
SOUTHERN ISANTI COUNTY IN EAST CENTRAL MINNESOTA...
* UNTIL 800 PM CDT
* AT 653 PM CDT...RADAR INDICATED A LINE OF SEVERE THUNDERSTORMS...
CAPABLE OF PRODUCING DAMAGING WINDS OF 60 MPH. THESE STORMS WERE
LOCATED ALONG A LINE EXTENDING FROM EAST BETHEL TO ANOKA TO
HAMEL...AND MOVING EAST AT 35 MPH. NICKEL SIZE HAIL MAY ALSO
ACCOMPANY THESE DAMAGING WINDS.
LOCATIONS IN THE WARNING INCLUDE...
PLYMOUTH...
MINNEAPOLIS...
MAPLE GROVE...
ANDOVER...
ANOKA...
CEDAR...
HAMEL...
LONG LAKE...
DAYTON...
MEDINA...
RAMSEY...
CORCORAN...
LORETTO...
ST FRANCIS...
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.
&&
LAT...LON 4541 9302 4512 9324 4491 9322 4495 9372
4521 9352 4556 9351 4556 9303
TIME...MOT...LOC 2355Z 274DEG 31KT 4535 9322 4520 9337
4502 9351
WIND...HAIL 60MPH 0.88IN
$$3 follow-up statements
882
WWUS53 KMPX 200010
SVSMPX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
710 PM CDT SAT MAY 19 2012
MNC003-053-059-200100-
/O.CON.KMPX.SV.W.0074.000000T0000Z-120520T0100Z/
ANOKA MN-HENNEPIN MN-ISANTI MN-
710 PM CDT SAT MAY 19 2012
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR SOUTHERN
ISANTI...NORTHEASTERN HENNEPIN AND ANOKA COUNTIES UNTIL 800 PM CDT...
AT 707 PM CDT...NATIONAL WEATHER SERVICE RADAR INDICATED A LINE OF
SEVERE THUNDERSTORMS CAPABLE OF PRODUCING DAMAGING WINDS OF 60 MPH.
THESE STORMS WERE LOCATED ALONG A LINE EXTENDING FROM WYOMING TO
BLAINE TO BROOKLYN CENTER...MOVING EAST AT 35 MPH. NICKEL SIZE HAIL
MAY ALSO ACCOMPANY THESE DAMAGING WINDS.
LOCATIONS IMPACTED INCLUDE...
MAINLY RURAL AREAS OF EXTREME SOUTHERN ANOKA COUNTY.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 60 MILES PER
HOUR...HAIL...AND DEADLY LIGHTNING. FOR YOUR PROTECTION MOVE TO AN
INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR HOME OR BUSINESS.
&&
LAT...LON 4541 9302 4512 9324 4491 9322 4493 9338
4520 9351 4521 9352 4541 9339 4556 9351
4556 9303
TIME...MOT...LOC 0009Z 274DEG 31KT 4532 9305 4517 9320
4508 9327
WIND...HAIL 60MPH 0.88IN
$$979
WWUS53 KMPX 200024
SVSMPX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
724 PM CDT SAT MAY 19 2012
MNC053-200039-
/O.CAN.KMPX.SV.W.0074.000000T0000Z-120520T0100Z/
HENNEPIN MN-
724 PM CDT SAT MAY 19 2012
...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN HENNEPIN COUNTY
IS CANCELLED...
THE LINE OF STORMS WHICH PROMPTED THE WARNING HAVE MOVED OUT OF THE
WARNED AREA.
LAT...LON 4541 9302 4512 9324 4514 9327 4516 9330
4533 9326 4544 9329 4556 9333 4556 9303
TIME...MOT...LOC 0024Z 274DEG 31KT 4529 9287 4514 9302
4505 9309
$$
MNC003-059-200100-
/O.CON.KMPX.SV.W.0074.000000T0000Z-120520T0100Z/
ANOKA MN-ISANTI MN-
724 PM CDT SAT MAY 19 2012
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR SOUTHEASTERN
ISANTI AND EASTERN ANOKA COUNTIES UNTIL 800 PM CDT...
AT 721 PM CDT...NATIONAL WEATHER SERVICE RADAR INDICATED A LINE OF
SEVERE THUNDERSTORMS CAPABLE OF PRODUCING DAMAGING WINDS OF 60 MPH.
THESE STORMS WERE LOCATED ALONG A LINE EXTENDING FROM FOREST LAKE TO
CENTERVILLE TO ARDEN HILLS...MOVING EAST AT 35 MPH. NICKEL SIZE HAIL
MAY ALSO ACCOMPANY THESE DAMAGING WINDS.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 60 MILES PER
HOUR...HAIL...AND DEADLY LIGHTNING. FOR YOUR PROTECTION MOVE TO AN
INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR HOME OR BUSINESS.
&&
LAT...LON 4541 9302 4512 9324 4514 9327 4516 9330
4533 9326 4544 9329 4556 9333 4556 9303
TIME...MOT...LOC 0024Z 274DEG 31KT 4529 9287 4514 9302
4505 9309
WIND...HAIL 60MPH 0.88IN
$$493
WWUS53 KMPX 200032
SVSMPX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
732 PM CDT SAT MAY 19 2012
MNC003-059-200048-
/O.CAN.KMPX.SV.W.0074.000000T0000Z-120520T0100Z/
ANOKA MN-ISANTI MN-
732 PM CDT SAT MAY 19 2012
...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN ISANTI AND
EASTERN ANOKA COUNTIES IS CANCELLED...
THE LINE OF STORMS WHICH PROMPTED THE WARNING HAVE WEAKENED AND MOVED
OUT OF THE WARNED AREA.
LAT...LON 4541 9302 4512 9324 4514 9327 4516 9330
4533 9326 4544 9329 4556 9333 4556 9303
TIME...MOT...LOC 0033Z 274DEG 31KT 4526 9276 4511 9291
4502 9299
$$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, 6:17 PM CDT | Severe Thunderstorm Warning | MPX | Anoka, Hennepin | 43 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 |
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.