Alert archive / Minnesota / Severe Thunderstorm Warnings in 2016
Severe Thunderstorm Warning 247, NWS Twin Cities, MN
NWS Twin Cities, MN issued this severe thunderstorm warning at Sep 21, 2016, 7:00 PM CDT for Hennepin County, Wright County, Minnesota. It was in force for 30 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
- Sep 21, 2016, 7:00 PM CDT (00:00 UTC)
- Expired
- Sep 21, 2016, 7:30 PM CDT
- In force
- 30 min
- Issued by
- NWS Twin Cities, MN
- Area
- Storm-based polygon
- Hail
- 1.5 in
- Wind
- 50.0 mph
Counties Hennepin County, MN, Wright County, MN
The radar
The Minneapolis radar (KMPX), 31 km from the middle of the area, began a volume at 00:04 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 |
|---|---|---|---|
| Sep 21, 7:07 PM CDT | HAIL 1 | 1 W Rockford, MN | HEAVY RAIN 0.70 RAIN IN ONE HOUR. |
| Sep 21, 7:19 PM CDT | HAIL 1 | Rockford, 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 00:00Z, 0.0 hours before the alert went out and 30 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
- 144 J/kg
- Mixed-layer CIN
- -361 J/kg
- Mixed-layer LCL
- 641 m above ground
- 0-6 km bulk shear
- 34 kt
- 0-1 km storm-relative helicity
- 428 m²/s²
- 0-3 km storm-relative helicity
- 596 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 11.6
The text
As transmitted.
136
WUUS53 KMPX 220000
SVRMPX
MNC053-171-220030-
/O.NEW.KMPX.SV.W.0247.160922T0000Z-160922T0030Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
700 PM CDT WED SEP 21 2016
THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
WEST CENTRAL HENNEPIN COUNTY IN EAST CENTRAL MINNESOTA...
SOUTHEASTERN WRIGHT COUNTY IN CENTRAL MINNESOTA...
* UNTIL 730 PM CDT
* AT 659 PM CDT...A SEVERE THUNDERSTORM WAS LOCATED NEAR DELANO...OR
NEAR BUFFALO...MOVING EAST AT 20 MPH.
HAZARD...PING PONG BALL SIZE HAIL.
SOURCE...RADAR INDICATED.
IMPACT...PEOPLE AND ANIMALS OUTDOORS WILL BE INJURED. EXPECT
DAMAGE TO ROOFS...SIDING...WINDOWS...AND VEHICLES.
* THIS SEVERE THUNDERSTORM WILL BE NEAR...
ROCKFORD AROUND 715 PM CDT.
INDEPENDENCE AROUND 725 PM CDT.
CORCORAN AND MEDINA AROUND 730 PM CDT.
OTHER LOCATIONS IMPACTED BY THIS SEVERE THUNDERSTORM INCLUDE
HANOVER... GREENFIELD AND LORETTO.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
BUILDING.
TORRENTIAL RAINFALL IS OCCURRING WITH THIS STORM...AND MAY LEAD TO
FLASH FLOODING. DO NOT DRIVE YOUR VEHICLE THROUGH FLOODED ROADWAYS.
&&
LAT...LON 4503 9388 4514 9389 4518 9366 4504 9361
TIME...MOT...LOC 2359Z 255DEG 17KT 4509 9384
HAIL...1.50IN
WIND...<50MPH
$$1 follow-up statement
214
WWUS53 KMPX 220025
SVSMPX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
725 PM CDT WED SEP 21 2016
MNC053-171-220035-
/O.EXP.KMPX.SV.W.0247.000000T0000Z-160922T0030Z/
HENNEPIN MN-WRIGHT MN-
725 PM CDT WED SEP 21 2016
...THE SEVERE THUNDERSTORM WARNING FOR WEST CENTRAL HENNEPIN AND
SOUTHEASTERN WRIGHT COUNTIES WILL EXPIRE AT 730 PM CDT...
THE STORM WHICH PROMPTED THE WARNING HAS WEAKENED BELOW SEVERE
LIMITS...AND HAVE EXITED THE WARNED AREA. THEREFORE THE WARNING WILL
BE ALLOWED TO EXPIRE.
LAT...LON 4503 9388 4514 9389 4518 9366 4504 9361
TIME...MOT...LOC 0022Z 255DEG 17KT 4509 9384
$$The office that day
Everything else NWS Twin Cities, MN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 21, 8:10 PM CDT | Severe Thunderstorm Warning | MPX | Hennepin, Ramsey | 50 min |
| Sep 21, 8:24 PM CDT | Flash Flood Warning | MPX | Hennepin, Ramsey | 3 hr |
| Sep 21, 10:07 PM CDT | Flash Flood Warning | MPX | Blue Earth, Goodhue, Rice, Steele, Waseca | 7 hr |
| Sep 21, 11:11 PM CDT | Flash Flood Warning | MPX | Anoka, Hennepin | 5 hr |
| Sep 21, 11:21 PM CDT | Severe Thunderstorm Warning | MPX | Freeborn | 39 min |
| Sep 22, 12:23 AM CDT | Flash Flood Warning | MPX | Blue Earth, Faribault, Freeborn, Steele, Waseca | 4 hr |
| Sep 22, 2:21 AM CDT | Special Weather Statement | MPX | Le Sueur, Rice | 3 hr |
| Sep 22, 2:29 AM CDT | Special Weather Statement | MPX | Blue Earth | 3 hr |
| Sep 22, 3:59 AM CDT | Flash Flood Watch | MPX | Blue Earth, Brown, Dakota, Faribault, Freeborn, Goodhue and 9 more | 7 hr |
| Sep 22, 4:48 AM CDT | Areal Flood Warning | MPX | Blue Earth, Faribault, Freeborn, Steele, Waseca | 24 hr |
| Sep 22, 4:57 AM CDT | Areal Flood Warning | MPX | Blue Earth, Goodhue, Le Sueur, Rice, Steele, Waseca | 24 hr |
| Sep 22, 4:57 AM CDT | River Flood Warning | MPX | Goodhue | 70 hr |
| Sep 22, 6:51 AM CDT | Special Weather Statement | MPX | Watonwan | 3 hr |
| Sep 22, 10:57 AM CDT | River Flood Warning | MPX | Goodhue | 43 hr |
Nearby
Severe Thunderstorm Warnings in Minnesota, 2016Every severe thunderstorm warning in 2016
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.