Alert archive / Minnesota / Severe Thunderstorm Warnings in 2018

Severe Thunderstorm Warning 19, NWS Twin Cities, MN

May 25, 2018Faribault County, Freeborn County, Minnesota

NWS Twin Cities, MN issued this severe thunderstorm warning at May 25, 2018, 4:24 PM CDT for Faribault County, Freeborn County, Minnesota. It was in force for 36 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: May 25, 2018, 4:24 PM CDT (21:24 UTC)
Expired: May 25, 2018, 5:00 PM CDT
In force: 36 min
Issued by: NWS Twin Cities, MN
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

Counties Faribault County, MN, Freeborn County, MN

The radar

The Minneapolis radar (KMPX), 141 km from the middle of the area, began a volume at 21:27 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 nearest sounding before it

Minneapolis, MN (KMPX), launched 12:00Z, 9.4 hours before the alert went out and 141 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: 543 J/kg
Mixed-layer CIN: -136 J/kg
Mixed-layer LCL: 1022 m above ground
0-6 km bulk shear: 33 kt
0-1 km storm-relative helicity: 245 m²/s²
0-3 km storm-relative helicity: 234 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 1.1

Open this sounding in Storm Lab

The text

As transmitted.

394 
WUUS53 KMPX 252124
SVRMPX
MNC043-047-252200-
/O.NEW.KMPX.SV.W.0019.180525T2124Z-180525T2200Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Twin Cities/Chanhassen MN
424 PM CDT FRI MAY 25 2018

The National Weather Service in The Twin Cities has issued a

* Severe Thunderstorm Warning for...
  Southeastern Faribault County in south central Minnesota...
  Southwestern Freeborn County in south central Minnesota...

* Until 500 PM CDT

* At 423 PM CDT, a severe thunderstorm was located near Mansfield, or
  13 miles southwest of Albert Lea, moving south 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. 

* This severe thunderstorm will remain over mainly rural areas of
  southeastern Faribault and southwestern Freeborn Counties,
  including the following locations: Walters and Kiester.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4363 9368 4364 9346 4350 9341 4350 9373
TIME...MOT...LOC 2123Z 352DEG 16KT 4353 9357 

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

jrb

2 follow-up statements

052 
WWUS53 KMPX 252136
SVSMPX

Severe Weather Statement
National Weather Service Twin Cities/Chanhassen MN
436 PM CDT FRI MAY 25 2018

MNC043-252146-
/O.CAN.KMPX.SV.W.0019.000000T0000Z-180525T2200Z/
Faribault MN-
436 PM CDT FRI MAY 25 2018

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN FARIBAULT COUNTY
IS CANCELLED...
    
The severe thunderstorm which prompted the warning has moved out of 
the warned area. Therefore, the warning has been cancelled.

LAT...LON 4356 9365 4356 9364 4359 9344 4350 9341
      4350 9365
TIME...MOT...LOC 2136Z 350DEG 14KT 4352 9356 

$$

MNC047-252200-
/O.CON.KMPX.SV.W.0019.000000T0000Z-180525T2200Z/
Freeborn MN-
436 PM CDT FRI MAY 25 2018

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 500 PM CDT
FOR SOUTHWESTERN FREEBORN COUNTY...

At 436 PM CDT, a severe thunderstorm was located near Emmons, or 13
miles southwest of Albert Lea, moving south at 15 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...
Emmons and Twin Lakes. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4356 9365 4356 9364 4359 9344 4350 9341
      4350 9365
TIME...MOT...LOC 2136Z 350DEG 14KT 4352 9356 

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

jrb

786 
WWUS53 KMPX 252151
SVSMPX

Severe Weather Statement
National Weather Service Twin Cities/Chanhassen MN
451 PM CDT FRI MAY 25 2018

MNC047-252200-
/O.EXP.KMPX.SV.W.0019.000000T0000Z-180525T2200Z/
Freeborn MN-
451 PM CDT FRI MAY 25 2018

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHWESTERN FREEBORN COUNTY
WILL EXPIRE AT 500 PM CDT...
        
The storm which prompted the warning has moved out of the area.
Therefore the warning will be allowed to expire.

LAT...LON 4356 9365 4356 9364 4359 9344 4350 9341
      4350 9365
TIME...MOT...LOC 2150Z 352DEG 16KT 4344 9355 

$$

jrb

The office that day

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

Issued	Product	Office	Counties	Lasted
May 24, 7:06 PM CDT	Special Weather Statement	MPX	Pope	39 min
May 24, 7:10 PM CDT	Severe Thunderstorm Warning	MPX	Anoka, Dakota, Hennepin, Ramsey, Scott	50 min
May 24, 7:27 PM CDT	Severe Thunderstorm Warning	MPX	Pope, Stevens	33 min
May 24, 7:43 PM CDT	Severe Thunderstorm Warning	MPX	Dakota, Washington	47 min
May 24, 7:48 PM CDT	Severe Thunderstorm Warning	MPX	Rice	42 min
May 24, 8:31 PM CDT	Special Weather Statement	MPX	Goodhue	29 min
May 24, 8:33 PM CDT	Severe Thunderstorm Warning	MPX	Douglas, Pope, Stearns, Todd	33 min
May 24, 9:03 PM CDT	Severe Thunderstorm Warning	MPX	Dakota, Goodhue	28 min
May 25, 1:15 AM CDT	Special Weather Statement	MPX	Sibley	30 min
May 25, 2:06 AM CDT	Special Weather Statement	MPX	Hennepin	24 min
May 25, 2:13 AM CDT	Special Weather Statement	MPX	Sibley	32 min
May 25, 7:07 AM CDT	Special Weather Statement	MPX	Goodhue	23 min
May 25, 1:53 PM CDT	Severe Thunderstorm Warning	MPX	Pope	37 min
May 25, 2:55 PM CDT	Severe Thunderstorm Warning	MPX	Freeborn	50 min
May 25, 3:12 PM CDT	Severe Thunderstorm Warning	MPX	Freeborn	48 min
May 25, 3:33 PM CDT	Special Weather Statement	MPX	Steele	42 min
May 25, 3:38 PM CDT	Special Weather Statement	MPX	Freeborn	37 min
May 25, 3:47 PM CDT	Special Weather Statement	MPX	Lac qui Parle	28 min
May 25, 4:03 PM CDT	Special Weather Statement	MPX	Freeborn	42 min
May 25, 4:09 PM CDT	Special Weather Statement	MPX	Freeborn	36 min
May 25, 4:32 PM CDT	Severe Thunderstorm Warning	MPX	Hennepin, Wright	43 min
May 25, 5:03 PM CDT	Severe Thunderstorm Warning	MPX	Washington	57 min
May 25, 5:17 PM CDT	Special Weather Statement	MPX	Ramsey, Washington	43 min
May 25, 5:35 PM CDT	Special Weather Statement	MPX	Scott	25 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.