Alert archive / Minnesota / Severe Thunderstorm Warnings in 2015
Severe Thunderstorm Warning 77, NWS Twin Cities, MN
NWS Twin Cities, MN issued this severe thunderstorm warning at Jul 12, 2015, 9:48 PM CDT for Hennepin County, Wright County, Minnesota. It was in force for 57 min. 2 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
- Jul 12, 2015, 9:48 PM CDT (02:48 UTC)
- Expired
- Jul 12, 2015, 10:45 PM CDT
- In force
- 57 min
- Issued by
- NWS Twin Cities, MN
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 60.0 mph
Counties Hennepin County, MN, Wright County, MN
The radar
The Minneapolis radar (KMPX), 23 km from the middle of the area, began a volume at 02:49 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 |
|---|---|---|---|
| Jul 12, 10:40 PM CDT | HAIL 0.75 | Delano, MN | |
| Jul 12, 10:40 PM CDT | HAIL 0.75 | Delano, MN |
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 |
|---|---|---|---|
| Jul 12, 5:28 PM CDT | Tornado Watch | SPC | 5 hr |
The nearest sounding before it
Minneapolis, MN (KMPX), launched 00:00Z, 2.8 hours before the alert went out and 24 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
- 3598 J/kg
- Mixed-layer CIN
- -75 J/kg
- Mixed-layer LCL
- 1040 m above ground
- 0-6 km bulk shear
- 35 kt
- 0-1 km storm-relative helicity
- 124 m²/s²
- 0-3 km storm-relative helicity
- 116 m²/s²
- Significant tornado parameter
- 1.4
- Supercell composite
- 12.7
The text
As transmitted, in the capitals the NWS used until 2016.
710
WUUS53 KMPX 130248
SVRMPX
MNC053-171-130345-
/O.NEW.KMPX.SV.W.0077.150713T0248Z-150713T0345Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
948 PM CDT SUN JUL 12 2015
THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
HENNEPIN COUNTY IN EAST CENTRAL MINNESOTA...
SOUTHEASTERN WRIGHT COUNTY IN CENTRAL MINNESOTA...
* UNTIL 1045 PM CDT
* AT 946 PM CDT...SEVERE THUNDERSTORMS WERE LOCATED ALONG A LINE
EXTENDING FROM NEAR RAMSEY TO NEAR RASSAT...MOVING SOUTHEAST AT 30
MPH.
HAZARD...60 MPH WIND GUSTS AND QUARTER SIZE HAIL.
SOURCE...RADAR INDICATED.
IMPACT...HAIL DAMAGE TO VEHICLES IS EXPECTED. EXPECT WIND DAMAGE
TO ROOFS...SIDING AND TREES.
* SEVERE THUNDERSTORMS WILL BE NEAR...
RAMSEY...ST. MICHAEL...OTSEGO...ROGERS AND ALBERTVILLE AROUND 950
PM CDT.
MAPLE GROVE...CHAMPLIN...ANOKA AND CORCORAN AROUND 955 PM CDT.
BROOKLYN PARK AROUND 1005 PM CDT.
PLYMOUTH AROUND 1010 PM CDT.
BROOKLYN CENTER...FRIDLEY...DELANO AND ROCKFORD AROUND 1015 PM CDT.
MINNEAPOLIS...GOLDEN VALLEY AND COLUMBIA HEIGHTS AROUND 1020 PM
CDT.
MAPLE PLAIN AROUND 1025 PM CDT.
ROSEVILLE...ORONO...MINNETRISTA AND ST. BONIFACIUS AROUND 1030 PM
CDT.
OTHER LOCATIONS IMPACTED BY THESE SEVERE THUNDERSTORMS INCLUDE
WOODLAND...NORTH MINNEAPOLIS...OSSEO...GREENFIELD...NEW HOPE...COMO
PARK...CRYSTAL AIRPORT...DAYTON...HAMEL AND HANOVER.
THIS INCLUDES INTERSTATE 94 IN MINNESOTA BETWEEN MILE MARKERS 202 AND
236.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
BUILDING.
&&
A TORNADO WATCH REMAINS IN EFFECT UNTIL 100 AM CDT FOR EAST CENTRAL
MINNESOTA.
LAT...LON 4524 9352 4521 9342 4510 9327 4504 9328
4503 9321 4494 9320 4488 9352 4489 9352
4489 9376 4497 9377 4498 9384 4511 9395
4528 9356
TIME...MOT...LOC 0246Z 314DEG 28KT 4525 9351 4517 9404
HAIL...1.00IN
WIND...60MPH
$$
JRB2 follow-up statements
696
WWUS53 KMPX 130318
SVSMPX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
1018 PM CDT SUN JUL 12 2015
MNC053-171-130345-
/O.CON.KMPX.SV.W.0077.000000T0000Z-150713T0345Z/
HENNEPIN MN-WRIGHT MN-
1018 PM CDT SUN JUL 12 2015
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1045 PM CDT
FOR HENNEPIN AND SOUTHEASTERN WRIGHT COUNTIES...
AT 1017 PM CDT...SEVERE THUNDERSTORMS WERE LOCATED ALONG A LINE
EXTENDING FROM NEAR BROOKLYN PARK TO NEAR MONTROSE...MOVING SOUTHEAST
AT 30 MPH.
HAZARD...60 MPH WIND GUSTS AND PENNY SIZE HAIL.
SOURCE...PUBLIC MEASURED A 58 MPH WIND GUST NEAR CLEAR LAKE EARLIER
WITH THIS STORM.
IMPACT...EXPECT DAMAGE TO ROOFS...SIDING AND TREES.
THESE SEVERE STORMS WILL BE NEAR...
BROOKLYN PARK...PLYMOUTH...BROOKLYN CENTER AND FRIDLEY AROUND 1025
PM CDT.
MINNEAPOLIS...GOLDEN VALLEY AND COLUMBIA HEIGHTS AROUND 1030 PM
CDT.
MAPLE PLAIN AROUND 1035 PM CDT.
ROSEVILLE...ORONO...MINNETRISTA AND ST. BONIFACIUS AROUND 1040 PM
CDT.
ST. PAUL...CHANHASSEN...MOUND...VICTORIA AND EXCELSIOR AROUND 1045
PM CDT.
OTHER LOCATIONS IMPACTED BY THESE SEVERE THUNDERSTORMS INCLUDE
WOODLAND...NORTH MINNEAPOLIS...OSSEO...GREENFIELD...NEW HOPE...COMO
PARK...CRYSTAL AIRPORT...DAYTON...HAMEL AND HANOVER.
THIS INCLUDES INTERSTATE 94 IN MINNESOTA BETWEEN MILE MARKERS 202 AND
236.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
BUILDING.
&&
LAT...LON 4524 9352 4521 9342 4510 9327 4504 9328
4503 9321 4494 9320 4488 9352 4489 9352
4489 9376 4497 9377 4498 9384 4511 9395
4528 9356
TIME...MOT...LOC 0317Z 321DEG 26KT 4514 9334 4506 9387
HAIL...0.75IN
WIND...60MPH
$$
JRB864
WWUS53 KMPX 130336
SVSMPX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
1036 PM CDT SUN JUL 12 2015
MNC053-171-130345-
/O.EXP.KMPX.SV.W.0077.000000T0000Z-150713T0345Z/
HENNEPIN MN-WRIGHT MN-
1036 PM CDT SUN JUL 12 2015
...THE SEVERE THUNDERSTORM WARNING FOR HENNEPIN AND SOUTHEASTERN
WRIGHT COUNTIES WILL EXPIRE AT 1045 PM CDT...
THE STORMS WHICH PROMPTED THE WARNING HAVE WEAKENED BELOW SEVERE
LIMITS...AND NO LONGER POSE AN IMMEDIATE THREAT TO LIFE OR PROPERTY.
THEREFORE THE WARNING WILL BE ALLOWED TO EXPIRE.
A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 400 AM CDT FOR
EAST CENTRAL MINNESOTA.
REMEMBER...A SEVERE THUNDERSTORM WARNING STILL REMAINS IN EFFECT FOR
WESTERN WRIGHT COUNTY.
LAT...LON 4524 9352 4521 9342 4510 9327 4504 9328
4503 9321 4494 9320 4488 9352 4489 9352
4489 9376 4497 9377 4498 9384 4511 9395
4528 9356
TIME...MOT...LOC 0333Z 314DEG 28KT 4514 9334 4506 9387
$$
JRBThe office that day
Everything else NWS Twin Cities, MN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 12, 7:00 PM CDT | Tornado Warning | MPX | Morrison, Todd | 45 min |
| Jul 12, 7:09 PM CDT | Tornado Warning | MPX | Pope, Stevens | 36 min |
| Jul 12, 7:18 PM CDT | Tornado Warning | MPX | Morrison, Todd | 42 min |
| Jul 12, 7:20 PM CDT | Severe Thunderstorm Warning | MPX | Douglas, Pope, Stearns, Todd | 70 min |
| Jul 12, 7:30 PM CDT | Special Weather Statement | MPX | Douglas | 3 hr |
| Jul 12, 7:39 PM CDT | Tornado Warning | MPX | Douglas | 30 min |
| Jul 12, 7:40 PM CDT | Severe Thunderstorm Warning | MPX | Benton, Morrison, Stearns | 50 min |
| Jul 12, 7:42 PM CDT | Tornado Warning | MPX | Pope | 48 min |
| Jul 12, 8:16 PM CDT | Severe Thunderstorm Warning | MPX | Stearns | 44 min |
| Jul 12, 8:24 PM CDT | Severe Thunderstorm Warning | MPX | Benton, Morrison, Sherburne | 51 min |
| Jul 12, 8:27 PM CDT | Severe Thunderstorm Warning | MPX | Pope | 33 min |
| Jul 12, 8:32 PM CDT | Severe Thunderstorm Warning | MPX | Kanabec, Mille Lacs | 28 min |
| Jul 12, 8:40 PM CDT | Special Weather Statement | MPX | Douglas | 35 min |
| Jul 12, 8:54 PM CDT | Severe Thunderstorm Warning | MPX | Isanti, Kanabec, Mille Lacs | 51 min |
| Jul 12, 8:54 PM CDT | Severe Thunderstorm Warning | MPX | Meeker, Stearns, Wright | 81 min |
| Jul 12, 8:59 PM CDT | Severe Thunderstorm Warning | MPX | Kandiyohi, Pope, Stearns | 46 min |
| Jul 12, 8:59 PM CDT | Severe Thunderstorm Warning | MPX | Anoka, Benton, Isanti, Sherburne | 61 min |
| Jul 12, 9:03 PM CDT | Special Weather Statement | MPX | Chippewa | 27 min |
| Jul 12, 9:24 PM CDT | Severe Thunderstorm Warning | MPX | Chisago, Isanti | 51 min |
| Jul 12, 9:31 PM CDT | Special Weather Statement | MPX | Kandiyohi | 29 min |
| Jul 12, 9:48 PM CDT | Severe Thunderstorm Warning | MPX | Anoka, Isanti, Ramsey, Washington | 57 min |
| Jul 12, 10:32 PM CDT | Severe Thunderstorm Warning | MPX | Meeker, Stearns, Wright | 26 min |
| Jul 12, 10:45 PM CDT | Special Weather Statement | MPX | Carver, Hennepin, McLeod, Ramsey, Washington, Wright | 60 min |
| Jul 12, 10:55 PM CDT | Severe Thunderstorm Warning | MPX | Carver, Hennepin, Wright | 35 min |
| Jul 12, 11:18 PM CDT | Special Weather Statement | MPX | Douglas | 57 min |
| Jul 12, 11:18 PM CDT | Severe Thunderstorm Warning | MPX | Dakota, Scott | 19 min |
| Jul 12, 11:40 PM CDT | Special Weather Statement | MPX | Dakota, Goodhue, Le Sueur, Rice, Scott | 50 min |
| Jul 13, 12:29 AM CDT | Special Weather Statement | MPX | Todd | 46 min |
| Jul 13, 12:41 AM CDT | Special Weather Statement | MPX | Goodhue | 64 min |
| Jul 13, 1:23 AM CDT | Special Weather Statement | MPX | Sherburne | 52 min |
| Jul 13, 2:47 AM CDT | Special Weather Statement | MPX | Washington | 58 min |
Nearby
Severe Thunderstorm Warnings in Minnesota, 2015Every severe thunderstorm warning in 2015
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.