Alert archive / Minnesota / Severe Thunderstorm Warnings in 2012
Severe Thunderstorm Warning 195, NWS Twin Cities, MN
NWS Twin Cities, MN issued this severe thunderstorm warning at Jun 19, 2012, 6:11 AM CDT for Dakota County, Ramsey County, Washington County, Minnesota; Saint Croix County, Wisconsin. It was in force for 34 min. 3 reports 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
- Jun 19, 2012, 6:11 AM CDT (11:11 UTC)
- Expired
- Jun 19, 2012, 6:45 AM CDT
- In force
- 34 min
- Issued by
- NWS Twin Cities, MN
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 60.0 mph
Counties Dakota County, MN, Ramsey County, MN, Washington County, MN, Saint Croix County, WI
The radar
The Minneapolis radar (KMPX), 64 km from the middle of the area, began a volume at 11:13 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 |
|---|---|---|---|
| Jun 19, 6:20 AM CDT | HAIL 1 | Lake Elmo, MN | REPORTED NEAR INTERSECTION OF LAKE ELMO AVE AND HWY 5. TIME ESTIMATED. |
| Jun 19, 6:22 AM CDT | HAIL 1 | 2 Sw Stillwater, MN | |
| Jun 19, 6:30 AM CDT | HAIL 1.5 | Stillwater, MN | QUARTER TO PING PONG BALL SIZED HAIL REPORTED NEAR INTERSECTION OF ORLEANS AND HARRIET. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Jun 19, 3:25 AM CDT | Severe Thunderstorm Watch | SPC | 5 hr |
The nearest sounding before it
Minneapolis, MN (KMPX), launched 00:00Z, 11.2 hours before the alert went out and 67 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
- 2661 m above ground
- 0-6 km bulk shear
- 58 kt
- 0-1 km storm-relative helicity
- -16 m²/s²
- 0-3 km storm-relative helicity
- 161 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
167 WUUS53 KMPX 191111 SVRMPX MNC037-123-163-WIC109-191145- /O.NEW.KMPX.SV.W.0195.120619T1111Z-120619T1145Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN 611 AM CDT TUE JUN 19 2012 THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... NORTH CENTRAL DAKOTA COUNTY IN EAST CENTRAL MINNESOTA... SOUTHERN RAMSEY COUNTY IN EAST CENTRAL MINNESOTA... CENTRAL WASHINGTON COUNTY IN EAST CENTRAL MINNESOTA... WESTERN ST. CROIX COUNTY IN WEST CENTRAL WISCONSIN... * UNTIL 645 AM CDT * AT 608 AM CDT...RADAR INDICATED A SEVERE THUNDERSTORM...CAPABLE OF PRODUCING QUARTER SIZE HAIL AND DAMAGING WINDS OF 60 MPH. THIS STORM WAS LOCATED NEAR ST PAUL...AND MOVING EAST AT 40 MPH. LOCATIONS IN THE WARNING INCLUDE... ST PAUL... WEST ST PAUL... SOUTH ST PAUL... ROSEVILLE... LITTLE CANADA... NEWPORT... MAPLEWOOD... NORTH ST PAUL... OAKDALE... WOODBURY... MAHTOMEDI... WILLERNIE... LAKE ELMO... STILLWATER... PRECAUTIONARY/PREPAREDNESS ACTIONS... IF YOU ARE IN THE PATH OF THIS STORM...PREPARE IMMEDIATELY FOR DAMAGING WINDS IN EXCESS OF 60 MPH AND LARGE HAIL. SEEK SHELTER NOW INSIDE A STURDY STRUCTURE AND STAY AWAY FROM WINDOWS. && LAT...LON 4520 9260 4491 9247 4484 9307 4501 9320 TIME...MOT...LOC 1111Z 252DEG 33KT 4495 9305 WIND...HAIL 60MPH 1.00IN $$
1 follow-up statement
331 WWUS53 KMPX 191122 SVSMPX SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN 622 AM CDT TUE JUN 19 2012 MNC037-123-191137- /O.CAN.KMPX.SV.W.0195.000000T0000Z-120619T1145Z/ DAKOTA MN-RAMSEY MN- 622 AM CDT TUE JUN 19 2012 ...THE SEVERE THUNDERSTORM WARNING FOR SOUTHERN RAMSEY AND NORTH CENTRAL DAKOTA COUNTIES IS CANCELLED... THE STORM WHICH PROMPTED THE WARNING HAS MOVED OUT OF THE WARNED AREA. LAT...LON 4491 9247 4489 9298 4508 9298 4520 9260 TIME...MOT...LOC 1122Z 251DEG 34KT 4499 9290 $$ MNC163-WIC109-191145- /O.CON.KMPX.SV.W.0195.000000T0000Z-120619T1145Z/ WASHINGTON MN-ST. CROIX WI- 622 AM CDT TUE JUN 19 2012 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR WESTERN ST. CROIX AND CENTRAL WASHINGTON COUNTIES UNTIL 645 AM CDT... AT 618 AM CDT...NATIONAL WEATHER SERVICE RADAR INDICATED A SEVERE THUNDERSTORM CAPABLE OF PRODUCING HALF DOLLAR SIZE HAIL...AND DAMAGING WINDS OF 60 MPH. THIS STORM WAS LOCATED NEAR OAKDALE...OR 8 MILES EAST OF ST PAUL...MOVING EAST AT 40 MPH. LOCATIONS IMPACTED INCLUDE... STILLWATER...LAKELAND...BAYPORT...HUDSON...BURKHARDT...SOMERSET... HOULTON...ROBERTS...AFTON...OAK PARK HEIGHTS...NORTH HUDSON AND BOARDMAN. PRECAUTIONARY/PREPAREDNESS ACTIONS... SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 60 MILES PER HOUR...LARGE HAIL...AND DEADLY LIGHTNING. FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR HOME OR BUSINESS. && LAT...LON 4491 9247 4489 9298 4508 9298 4520 9260 TIME...MOT...LOC 1122Z 251DEG 34KT 4499 9290 WIND...HAIL 60MPH 1.25IN $$
The office that day
Everything else NWS Twin Cities, MN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 18, 11:47 PM CDT | Special Weather Statement | MPX | Lac qui Parle, Yellow Medicine | 43 min |
| Jun 19, 1:11 AM CDT | Special Weather Statement | MPX | Kandiyohi | 49 min |
| Jun 19, 2:00 AM CDT | Severe Thunderstorm Warning | MPX | Redwood | 60 min |
| Jun 19, 2:07 AM CDT | Special Weather Statement | MPX | Chippewa | 38 min |
| Jun 19, 2:20 AM CDT | Severe Thunderstorm Warning | MPX | Redwood, Renville, Yellow Medicine | 40 min |
| Jun 19, 2:43 AM CDT | Special Weather Statement | MPX | Hennepin, Ramsey, Washington | 62 min |
| Jun 19, 2:44 AM CDT | Severe Thunderstorm Warning | MPX | Brown, Nicollet, Redwood, Renville, Sibley | 46 min |
| Jun 19, 3:19 AM CDT | Severe Thunderstorm Warning | MPX | Brown, Le Sueur, McLeod, Nicollet, Rice, Scott and 1 more | 41 min |
| Jun 19, 3:30 AM CDT | Special Weather Statement | MPX | Carver, Dakota, Goodhue, Le Sueur, Rice, Scott | 45 min |
| Jun 19, 3:50 AM CDT | Severe Thunderstorm Warning | MPX | Carver, Dakota, Hennepin, Ramsey, Scott, Wright | 40 min |
| Jun 19, 3:55 AM CDT | Severe Thunderstorm Warning | MPX | Dakota, Goodhue, Le Sueur, Rice, Scott | 50 min |
| Jun 19, 4:26 AM CDT | Severe Thunderstorm Warning | MPX | Dakota, Goodhue, Ramsey, Washington | 64 min |
| Jun 19, 4:38 AM CDT | Severe Thunderstorm Warning | MPX | Dakota, Goodhue | 52 min |
| Jun 19, 5:53 AM CDT | Special Weather Statement | MPX | Ramsey, Washington | 37 min |
| Jun 19, 11:57 AM CDT | River Flood Warning | MPX | Wright | 9 days |
| Jun 19, 12:25 PM CDT | River Flood Watch | MPX | Todd | 25 hr |
| Jun 19, 12:25 PM CDT | River Flood Watch | MPX | Hennepin, Wright | 10 hr |
| Jun 19, 6:44 PM CDT | Special Weather Statement | MPX | Douglas | 46 min |
| Jun 19, 3:19 AM CDT | Special Weather Statement | MPX | Chippewa, Dunn, Saint Croix | 41 min |
| Jun 19, 4:30 AM CDT | Special Weather Statement | MPX | Chippewa | 45 min |
| Jun 19, 5:09 AM CDT | Severe Thunderstorm Warning | MPX | Chippewa, Dunn, Eau Claire, Pepin | 66 min |
Nearby
Severe Thunderstorm Warnings in Minnesota, 2012Severe Thunderstorm Warnings in Wisconsin, 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.