Alert archive / Minnesota / Severe Thunderstorm Warnings in 2017

Severe Thunderstorm Warning 144, NWS Twin Cities, MN

July 11, 2017Pope County, Minnesota

NWS Twin Cities, MN issued this severe thunderstorm warning at Jul 11, 2017, 11:27 PM CDT for Pope County, Minnesota. It was in force for 33 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued: Jul 11, 2017, 11:27 PM CDT (04:27 UTC)
Expired: Jul 12, 2017, 12:00 AM CDT
In force: 33 min
Issued by: NWS Twin Cities, MN
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

County Pope County, MN

The radar

The Minneapolis radar (KMPX), 168 km from the middle of the area, began a volume at 04:27 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.

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, 6:52 PM CDT	Severe Thunderstorm Watch	SPC	5 hr
Jul 11, 10:00 PM CDT	Severe Thunderstorm Watch	SPC	6 hr

The nearest sounding before it

Minneapolis, MN (KMPX), launched 00:00Z, 4.5 hours before the alert went out and 165 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: 913 J/kg
Mixed-layer CIN: -179 J/kg
Mixed-layer LCL: 1279 m above ground
0-6 km bulk shear: 41 kt
0-1 km storm-relative helicity: 86 m²/s²
0-3 km storm-relative helicity: 202 m²/s²
Significant tornado parameter: 0.1
Supercell composite: 4.0

Open this sounding in Storm Lab

The text

As transmitted.

621 
WUUS53 KMPX 120427
SVRMPX
MNC121-120515-
/O.NEW.KMPX.SV.W.0144.170712T0427Z-170712T0515Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Twin Cities/Chanhassen MN
1127 PM CDT TUE JUL 11 2017

The National Weather Service in The Twin Cities has issued a

* Severe Thunderstorm Warning for...
  Pope County in west central Minnesota...

* Until 1215 AM CDT

* At 1127 PM CDT, a severe thunderstorm was located over Lake Emily,
  or 14 miles southeast of Morris, moving east at 45 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. 

* This severe thunderstorm will be near,
  Starbuck around 1135 PM CDT. 
  Glenwood around 1150 PM CDT. 

Other locations impacted by this severe thunderstorm include Glenwood
Airport, Westport, Gilchrist, Lake Emily, Grove Lake, Long Beach,
Villard, Sedan and Lake Minnewaska.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

&&

LAT...LON 4577 9515 4576 9514 4544 9513 4542 9575
      4559 9575 4560 9576
TIME...MOT...LOC 0427Z 253DEG 40KT 4549 9564 

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

BORGHOFF

2 follow-up statements

557 
WWUS53 KMPX 120440
SVSMPX

Severe Weather Statement
National Weather Service Twin Cities/Chanhassen MN
1140 PM CDT TUE JUL 11 2017

MNC121-120515-
/O.CON.KMPX.SV.W.0144.000000T0000Z-170712T0515Z/
Pope MN-
1140 PM CDT TUE JUL 11 2017

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1215 AM CDT
FOR EASTERN POPE COUNTY...

At 1140 PM CDT, a severe thunderstorm was located near Starbuck, or
20 miles east of Morris, moving east at 45 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. 

This severe storm will be near...
  Glenwood around 1150 PM CDT. 

Other locations impacted by this severe thunderstorm include Glenwood
Airport, Westport, Grove Lake, Long Beach, Villard, Sedan and Lake
Minnewaska.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

&&

LAT...LON 4547 9513 4545 9558 4562 9562 4576 9514
TIME...MOT...LOC 0440Z 247DEG 37KT 4554 9548 

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

BORGHOFF

492 
WWUS53 KMPX 120500
SVSMPX

Severe Weather Statement
National Weather Service Twin Cities/Chanhassen MN
1200 AM CDT WED JUL 12 2017

MNC121-120510-
/O.CAN.KMPX.SV.W.0144.000000T0000Z-170712T0515Z/
Pope MN-
1200 AM CDT WED JUL 12 2017

...THE SEVERE THUNDERSTORM WARNING FOR EASTERN POPE COUNTY IS
CANCELLED...
                
The storm which prompted the warning has weakened below severe
limits, and no longer poses an immediate threat to life or property.
Therefore the warning has been cancelled.

A severe thunderstorm watch remains in effect until 400 AM CDT for
central and west central Minnesota.

Remember, a Severe Thunderstorm Warning still remains in effect for
northern Pope county until 1245 am!

LAT...LON 4547 9513 4545 9558 4562 9562 4576 9514
TIME...MOT...LOC 0458Z 253DEG 40KT 4561 9517 

$$

BORGHOFF

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 11, 11:02 PM CDT	Special Weather Statement	MPX	Swift	28 min
Jul 11, 11:14 PM CDT	Severe Thunderstorm Warning	MPX	Douglas	46 min
Jul 11, 11:59 PM CDT	Severe Thunderstorm Warning	MPX	Douglas, Pope, Stearns, Todd	46 min
Jul 12, 12:10 AM CDT	Severe Thunderstorm Warning	MPX	Mille Lacs, Morrison	35 min
Jul 12, 12:45 AM CDT	Severe Thunderstorm Warning	MPX	Douglas, Pope, Stearns, Todd	21 min
Jul 12, 12:46 AM CDT	Severe Thunderstorm Warning	MPX	Kanabec, Mille Lacs	44 min
Jul 12, 1:44 AM CDT	Severe Thunderstorm Warning	MPX	Anoka, Benton, Isanti, Mille Lacs, Sherburne	46 min
Jul 12, 2:27 AM CDT	Special Weather Statement	MPX	Anoka, Ramsey, Washington	33 min
Jul 12, 2:48 AM CDT	Severe Thunderstorm Warning	MPX	Dakota, Ramsey, Washington	27 min

Nearby

Severe Thunderstorm Warnings in Minnesota, 2017 Every severe thunderstorm warning in 2017

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.