Alert archive / Minnesota / Severe Thunderstorm Warnings in 2016

Severe Thunderstorm Warning 147, NWS Twin Cities, MN

July 11, 2016Sherburne County, Wright County, Minnesota

NWS Twin Cities, MN issued this severe thunderstorm warning at Jul 11, 2016, 8:44 PM CDT for Sherburne County, Wright County, Minnesota. It was in force for 31 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: Jul 11, 2016, 8:44 PM CDT (01:44 UTC)
Expired: Jul 11, 2016, 9:15 PM CDT
In force: 31 min
Issued by: NWS Twin Cities, MN
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

Counties Sherburne County, MN, Wright County, MN

The radar

The Minneapolis radar (KMPX), 54 km from the middle of the area, began a volume at 01:46 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 11, 8:48 PM CDT	FUNNEL CLOUD	5 Wsw Monticello, MN	REPORT OF FUNNEL CLOUD HALF WAY DOWN TO GROUND BETWEEN MAPLE LAKE AND MONTICELLO. .
Jul 11, 8:50 PM CDT	HAIL 1	Monticello, MN	REPORTED AT INTERSECTION OF HWYS 94 AND 25. .
Jul 11, 9:00 PM CDT	HAIL 1	Monticello, MN	REPORTED ON EAST SIDE OF TOWN. .

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 11, 3:48 PM CDT	Severe Thunderstorm Watch	SPC	7 hr
Jul 11, 5:31 PM CDT	Tornado Watch	SPC	4 hr

The nearest sounding before it

Minneapolis, MN (KMPX), launched 00:00Z, 1.7 hours before the alert went out and 53 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.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

Mixed-layer CAPE: 2508 J/kg
Mixed-layer CIN: -5 J/kg
Mixed-layer LCL: 1167 m above ground
0-6 km bulk shear: 38 kt
0-1 km storm-relative helicity: 249 m²/s²
0-3 km storm-relative helicity: 393 m²/s²
Significant tornado parameter: 2.9
Supercell composite: 26.2

Open this sounding in Storm Lab

The text

As transmitted.

984 
WUUS53 KMPX 120144
SVRMPX
MNC141-171-120215-
/O.NEW.KMPX.SV.W.0147.160712T0144Z-160712T0215Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
844 PM CDT MON JUL 11 2016

THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SOUTHEASTERN SHERBURNE COUNTY IN CENTRAL MINNESOTA...
  CENTRAL WRIGHT COUNTY IN CENTRAL MINNESOTA...

* UNTIL 915 PM CDT

* AT 843 PM CDT...A SEVERE THUNDERSTORM WAS LOCATED OVER
  MONTICELLO... OR 7 MILES NORTH OF BUFFALO...MOVING NORTHEAST AT 40
  MPH.

  HAZARD...60 MPH WIND GUSTS AND QUARTER SIZE HAIL. 

  SOURCE...TRAINED WEATHER SPOTTERS. 

  IMPACT...HAIL DAMAGE TO VEHICLES IS EXPECTED. EXPECT WIND DAMAGE 
           TO ROOFS...SIDING...AND TREES. 

* THIS SEVERE THUNDERSTORM WILL BE NEAR...
  BIG LAKE AROUND 850 PM CDT. 
  ALBERTVILLE AROUND 855 PM CDT. 
  ELK RIVER AROUND 900 PM CDT. 
  ZIMMERMAN AROUND 905 PM CDT. 
  RAMSEY AND ST. FRANCIS AROUND 910 PM CDT. 

OTHER LOCATIONS IMPACTED BY THIS SEVERE THUNDERSTORM INCLUDE SILVER
CREEK.

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.

&&

A TORNADO WATCH REMAINS IN EFFECT UNTIL 1000 PM CDT FOR CENTRAL AND
EAST CENTRAL MINNESOTA.

LAT...LON 4537 9350 4526 9351 4518 9395 4531 9395
      4548 9352
TIME...MOT...LOC 0143Z 242DEG 34KT 4528 9381 

HAIL...1.00IN
WIND...60MPH
 
$$

1 follow-up statement

140 
WWUS53 KMPX 120213
SVSMPX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
913 PM CDT MON JUL 11 2016

MNC141-171-120223-
/O.EXP.KMPX.SV.W.0147.000000T0000Z-160712T0215Z/
SHERBURNE MN-WRIGHT MN-
913 PM CDT MON JUL 11 2016

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN SHERBURNE AND
CENTRAL WRIGHT COUNTIES WILL EXPIRE AT 915 PM CDT...
        
THE STORM WHICH PROMPTED THE WARNING HAS MOVED OUT OF THE AREA.
THEREFORE THE WARNING WILL BE ALLOWED TO EXPIRE.  HOWEVER HEAVY RAIN
IS STILL POSSIBLE WITH THIS THUNDERSTORM.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 1000 PM CDT FOR CENTRAL AND
EAST CENTRAL MINNESOTA.

LAT...LON 4537 9350 4526 9351 4518 9395 4531 9395
      4548 9352
TIME...MOT...LOC 0212Z 242DEG 34KT 4528 9381 

$$

The office that day

Everything else NWS Twin Cities, MN issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jul 11, 7:00 PM CDT	Tornado Warning	MPX	Kandiyohi, Meeker, Stearns	30 min
Jul 11, 7:09 PM CDT	Tornado Warning	MPX	Benton	36 min
Jul 11, 7:16 PM CDT	Tornado Warning	MPX	Stearns	29 min
Jul 11, 7:32 PM CDT	Flash Flood Warning	MPX	Benton, Morrison, Sherburne, Stearns	4 hr
Jul 11, 7:37 PM CDT	Tornado Warning	MPX	Benton, Sherburne, Stearns	23 min
Jul 11, 8:05 PM CDT	Flash Flood Warning	MPX	Benton, Kanabec, Mille Lacs, Morrison	4 hr
Jul 11, 8:22 PM CDT	Special Weather Statement	MPX	Sherburne	38 min
Jul 11, 8:50 PM CDT	Tornado Warning	MPX	Sherburne	25 min
Jul 11, 9:00 PM CDT	Tornado Warning	MPX	Sherburne	11 min
Jul 11, 11:12 PM CDT	Special Weather Statement	MPX	Freeborn	33 min
Jul 11, 11:19 PM CDT	Special Weather Statement	MPX	Douglas	41 min
Jul 11, 11:49 PM CDT	Flash Flood Warning	MPX	Anoka, Chisago, Isanti	3 hr
Jul 12, 12:43 AM CDT	Special Weather Statement	MPX	Blue Earth	47 min
Jul 12, 10:39 AM CDT	Areal Flood Warning	MPX	Benton, Kanabec, Mille Lacs	4 days

Nearby

Severe Thunderstorm Warnings in Minnesota, 2016 Every 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.