Alert archive / Minnesota / Severe Thunderstorm Warnings in 2018

Severe Thunderstorm Warning 92, NWS Twin Cities, MN

July 8, 2018Morrison County, Todd County, Minnesota

NWS Twin Cities, MN issued this severe thunderstorm warning at Jul 8, 2018, 10:27 PM CDT for Morrison County, Todd 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 8, 2018, 10:27 PM CDT (03:27 UTC)
Expired: Jul 8, 2018, 11:00 PM CDT
In force: 33 min
Issued by: NWS Twin Cities, MN
Area: Storm-based polygon
Tornado: Possible
Hail: 1.0 in
Wind: 60.0 mph

Counties Morrison County, MN, Todd County, MN

The radar

The Minneapolis radar (KMPX), 157 km from the middle of the area, began a volume at 03:30 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 8, 3:52 PM CDT	Severe Thunderstorm Watch	SPC	7 hr

The nearest sounding before it

Minneapolis, MN (KMPX), launched 00:00Z, 3.5 hours before the alert went out and 155 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: 95 J/kg
Mixed-layer CIN: -247 J/kg
Mixed-layer LCL: 1776 m above ground
0-6 km bulk shear: 28 kt
0-1 km storm-relative helicity: 100 m²/s²
0-3 km storm-relative helicity: 175 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

330 
WUUS53 KMPX 090327
SVRMPX
MNC097-153-090400-
/O.NEW.KMPX.SV.W.0092.180709T0327Z-180709T0400Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Twin Cities/Chanhassen MN
1027 PM CDT SUN JUL 8 2018

The National Weather Service in The Twin Cities has issued a

* Severe Thunderstorm Warning for...
  East central Todd County in central Minnesota...
  Southwestern Morrison County in central Minnesota...

* Until 1100 PM CDT.

* At 1027 PM CDT, a severe thunderstorm was located 8 miles west of
  Randall, or 16 miles west of Little Falls, moving east at 35 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.

* Locations impacted include...
  Little Falls, Randall, Swanville, Flensburg, Camp Ripley, Sobieski,
  Elmdale and Camp Ripley Junction.

This includes the following highways...
 U.S. Highway 10 in Minnesota between mile markers 126 and 143.
 U.S. Highway 71 between mile markers 188 and 192.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Intense thunderstorm lines can produce brief tornadoes and widespread
significant wind damage. Although a tornado is not immediately
likely, it is best to move to an interior room on the lowest floor of
a building. This storm may cause serious injury and significant
property damage.

&&

LAT...LON 4602 9492 4619 9466 4610 9426 4582 9453
TIME...MOT...LOC 0327Z 290DEG 31KT 4606 9468 

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

LS

2 follow-up statements

542 
WWUS53 KMPX 090343
SVSMPX

Severe Weather Statement
National Weather Service Twin Cities/Chanhassen MN
1043 PM CDT SUN JUL 8 2018

MNC097-153-090400-
/O.CON.KMPX.SV.W.0092.000000T0000Z-180709T0400Z/
Todd MN-Morrison MN-
1043 PM CDT SUN JUL 8 2018

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1100 PM CDT
FOR EAST CENTRAL TODD AND SOUTHWESTERN MORRISON COUNTIES...

At 1043 PM CDT, a severe thunderstorm was located near Randall, or 11
miles west of Little Falls, moving southeast at 20 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.

Locations impacted include...
Little Falls, Randall, Swanville, Flensburg, Camp Ripley, Sobieski,
Elmdale and Camp Ripley Junction.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Intense thunderstorm lines can produce brief tornadoes and widespread
significant wind damage. Although a tornado is not immediately
likely, it is best to move to an interior room on the lowest floor of
a building. This storm may cause serious injury and significant
property damage.

&&

LAT...LON 4602 9492 4619 9466 4610 9426 4582 9453
TIME...MOT...LOC 0343Z 293DEG 18KT 4603 9459 

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

LS

803 
WWUS53 KMPX 090356
SVSMPX

Severe Weather Statement
National Weather Service Twin Cities/Chanhassen MN
1056 PM CDT SUN JUL 8 2018

MNC097-153-090405-
/O.EXP.KMPX.SV.W.0092.000000T0000Z-180709T0400Z/
Todd MN-Morrison MN-
1056 PM CDT SUN JUL 8 2018

...THE SEVERE THUNDERSTORM WARNING FOR EAST CENTRAL TODD AND
SOUTHWESTERN MORRISON COUNTIES WILL EXPIRE AT 1100 PM CDT...
                
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 will be allowed to expire.

To report severe weather, contact your nearest law enforcement
agency. They will relay your report to the National Weather Service
The Twin Cities.

LAT...LON 4602 9492 4619 9466 4610 9426 4582 9453
TIME...MOT...LOC 0355Z 290DEG 31KT 4600 9447 

$$

LS

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 8, 8:39 PM CDT	Special Weather Statement	MPX	Todd	96 min
Jul 8, 9:09 PM CDT	Special Weather Statement	MPX	Douglas	96 min
Jul 8, 9:52 PM CDT	Special Weather Statement	MPX	Todd	23 min
Jul 8, 10:35 PM CDT	Special Weather Statement	MPX	Stearns	55 min
Jul 8, 11:12 PM CDT	Special Weather Statement	MPX	Benton	48 min

Nearby

Severe Thunderstorm Warnings in Minnesota, 2018 Every severe thunderstorm warning in 2018

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.