Alert archive / Minnesota / Severe Thunderstorm Warnings in 2016

Severe Thunderstorm Warning 167, NWS Twin Cities, MN

July 21, 2016Douglas County, Morrison County, Todd County, Minnesota

NWS Twin Cities, MN issued this severe thunderstorm warning at Jul 21, 2016, 1:51 AM CDT for Douglas County, Morrison County, Todd County, Minnesota. It was in force for 39 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: Jul 21, 2016, 1:51 AM CDT (06:51 UTC)
Expired: Jul 21, 2016, 2:30 AM CDT
In force: 39 min
Issued by: NWS Twin Cities, MN
Area: Storm-based polygon
Hail: 0.75 in
Wind: 60.0 mph

Counties Douglas County, MN, Morrison County, MN, Todd County, MN

The radar

The Minneapolis radar (KMPX), 177 km from the middle of the area, began a volume at 06:51 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 21, 2:00 AM CDT	TSTM WND DMG	3 Ssw Millerville, MN	TREES DOWN AND CROP DAMAGE REPORTED ON CO RD 7 THREE MILES S OF MILLERVILLE. TIME WAS ESTIMATED. .

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 21, 12:32 AM CDT	Severe Thunderstorm Watch	SPC	6 hr

The nearest sounding before it

Minneapolis, MN (KMPX), launched 00:00Z, 6.9 hours before the alert went out and 175 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: 3666 J/kg
Mixed-layer CIN: -30 J/kg
Mixed-layer LCL: 1087 m above ground
0-6 km bulk shear: 29 kt
0-1 km storm-relative helicity: 143 m²/s²
0-3 km storm-relative helicity: 373 m²/s²
Significant tornado parameter: 2.8
Supercell composite: 22.0

Open this sounding in Storm Lab

The text

As transmitted.

915 
WUUS53 KMPX 210651
SVRMPX
MNC041-097-153-210730-
/O.NEW.KMPX.SV.W.0167.160721T0651Z-160721T0730Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
151 AM CDT THU JUL 21 2016

THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  TODD COUNTY IN CENTRAL MINNESOTA...
  DOUGLAS COUNTY IN WEST CENTRAL MINNESOTA...
  NORTHWESTERN MORRISON COUNTY IN CENTRAL MINNESOTA...

* UNTIL 230 AM CDT

* AT 151 AM CDT...SEVERE THUNDERSTORMS WERE LOCATED ALONG A LINE
  EXTENDING FROM NEAR MOTLEY TO NEAR ROSE CITY TO NEAR CAMPBELL...
  MOVING SOUTHEAST AT 50 MPH.

  HAZARD...60 MPH WIND GUSTS. 

  SOURCE...RADAR INDICATED. 

  IMPACT...EXPECT DAMAGE TO ROOFS...SIDING...AND TREES. 

* SEVERE THUNDERSTORMS WILL BE NEAR...
  MOTLEY AND EAGLE BEND AROUND 155 AM CDT. 
  CLARISSA AROUND 200 AM CDT. 
  CROW WING STATE PARK AND LONG PRAIRIE AROUND 210 AM CDT. 
  RANDALL AROUND 215 AM CDT. 
  CAMP RIPLEY AROUND 220 AM CDT. 

OTHER LOCATIONS IMPACTED BY THESE SEVERE THUNDERSTORMS INCLUDE
GARFIELD...ROUND PRAIRIE...NELSON...CLOTHO...ALEXANDRIA
AIRPORT...ROSE CITY...LEAF VALLEY...MELBY...MILTONA AND HOLMES CITY.

THIS INCLUDES THE FOLLOWING HIGHWAYS...
 INTERSTATE 94 IN MINNESOTA BETWEEN MILE MARKERS 81 AND 117.
 U.S. HIGHWAY 10 IN MINNESOTA BETWEEN MILE MARKERS 104 AND 138.
 U.S. HIGHWAY 71 BETWEEN MILE MARKERS 181 AND 219.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
BUILDING.

&&

LAT...LON 4636 9467 4631 9455 4633 9443 4627 9434
      4623 9440 4616 9437 4616 9415 4580 9513
      4576 9576 4610 9577 4611 9515 4637 9515
TIME...MOT...LOC 0651Z 322DEG 45KT 4638 9462 4614 9515 4610 9632 

HAIL...<.75IN
WIND...60MPH
 
$$

SPD

1 follow-up statement

526 
WWUS53 KMPX 210727
SVSMPX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
227 AM CDT THU JUL 21 2016

MNC041-097-153-210737-
/O.EXP.KMPX.SV.W.0167.000000T0000Z-160721T0730Z/
TODD MN-DOUGLAS MN-MORRISON MN-
227 AM CDT THU JUL 21 2016

...THE SEVERE THUNDERSTORM WARNING FOR TODD...DOUGLAS AND
NORTHWESTERN MORRISON COUNTIES WILL EXPIRE AT 230 AM 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.  HOWEVER GUSTY WINDS
ARE STILL POSSIBLE WITH THESE THUNDERSTORMS.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 700 AM CDT FOR
CENTRAL MINNESOTA.

LAT...LON 4636 9467 4631 9455 4633 9443 4627 9434
      4623 9440 4616 9437 4616 9415 4580 9513
      4576 9576 4610 9577 4611 9515 4637 9515
TIME...MOT...LOC 0725Z 322DEG 45KT 4638 9462 4614 9515 4610 9632 

$$

SPD

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 21, 1:40 AM CDT	Special Weather Statement	MPX	Douglas, Todd	65 min
Jul 21, 2:19 AM CDT	Special Weather Statement	MPX	Mille Lacs, Morrison, Pope, Stearns, Stevens	41 min
Jul 21, 2:45 AM CDT	Special Weather Statement	MPX	Benton, Kanabec, Kandiyohi, Mille Lacs, Sherburne, Stearns and 2 more	45 min
Jul 21, 3:16 AM CDT	Special Weather Statement	MPX	Anoka, Chisago, Hennepin, Isanti, Kandiyohi, Meeker and 2 more	44 min
Jul 21, 3:39 AM CDT	Special Weather Statement	MPX	Anoka, Carver, Chisago, Hennepin, McLeod, Ramsey and 4 more	66 min
Jul 21, 3:47 AM CDT	Special Weather Statement	MPX	Douglas	43 min
Jul 21, 3:51 AM CDT	Special Weather Statement	MPX	Todd	39 min
Jul 21, 4:23 AM CDT	Severe Thunderstorm Warning	MPX	Douglas	37 min
Jul 21, 4:27 AM CDT	Severe Thunderstorm Warning	MPX	Todd	33 min
Jul 21, 4:34 AM CDT	Special Weather Statement	MPX	Dakota, Le Sueur, Nicollet, Rice, Scott	56 min
Jul 21, 5:00 AM CDT	Special Weather Statement	MPX	Todd	45 min
Jul 21, 5:15 AM CDT	Severe Thunderstorm Warning	MPX	Douglas, Morrison, Todd	30 min
Jul 21, 5:25 AM CDT	Special Weather Statement	MPX	Goodhue	65 min
Jul 21, 5:42 AM CDT	Severe Thunderstorm Warning	MPX	Morrison, Todd	35 min
Jul 21, 6:26 AM CDT	Special Weather Statement	MPX	Benton	34 min

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.