Alert archive / Minnesota / Tornado Warnings in 2019

Tornado Warning 39, NWS Twin Cities, MN

August 10, 2019Martin County, Minnesota

NWS Twin Cities, MN issued this tornado warning at Aug 10, 2019, 5:51 PM CDT for Martin County, Minnesota. It was in force for 39 min. 2 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
Aug 10, 2019, 5:51 PM CDT (22:51 UTC)
Expired
Aug 10, 2019, 6:30 PM CDT
In force
39 min
Issued by
NWS Twin Cities, MN
Area
Storm-based polygon
Tornado
Radar indicated
Hail
0.75 in

County Martin County, MN

The radar

The Minneapolis radar (KMPX), 158 km from the middle of the area, began a volume at 22:51 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

TimeReportWhereRemark
Aug 10, 6:36 PM CDTTORNADO4 Se Fairmont, MNSPOTTER 5 MILES SE OF FAIRMONT, MN REPORTED A VERY BRIEF TOUCHDOWN 1 MILE TO HIS NNW.
Aug 10, 6:40 PM CDTFUNNEL CLOUD4 Se Fairmont, MNSTORM CHASER REPORTED ROPE FUNNEL MOVING SOUTHEAST.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Minneapolis, MN (KMPX), launched 12:00Z, 10.9 hours before the alert went out and 157 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-pSkew-T log-p diagram, Minneapolis, MN at 12:00Z on 2019-08-10Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Minneapolis, MN at 12:00Z on 2019-08-10The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 13 square meters per square second.1939587897Sfc1 km3 km6 km9 kmRMLM
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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1399 m above ground
0-6 km bulk shear
25 kt
0-1 km storm-relative helicity
13 m²/s²
0-3 km storm-relative helicity
78 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

609 
WFUS53 KMPX 102251
TORMPX
MNC091-102330-
/O.NEW.KMPX.TO.W.0039.190810T2251Z-190810T2330Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Twin Cities/Chanhassen MN
551 PM CDT Sat Aug 10 2019

The National Weather Service in The Twin Cities has issued a

* Tornado Warning for...
  Southeastern Martin County in south central Minnesota...

* Until 630 PM CDT.

* At 551 PM CDT, a severe thunderstorm capable of producing a tornado
  was located near Welcome, or near Fairmont, moving east at 15 mph.

  HAZARD...Tornado.

  SOURCE...Weather spotters reported funnel cloud.

  IMPACT...Flying debris will be dangerous to those caught without 
           shelter. Mobile homes will be damaged or destroyed. 
           Damage to roofs, windows, and vehicles will occur.  Tree 
           damage is likely.

* This dangerous storm will be near...
  Fairmont around 610 PM CDT.
  Iowa Lake around 630 PM CDT.

Other locations impacted by this tornadic thunderstorm include
Wilbert and East Chain.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.

&&

LAT...LON 4360 9465 4368 9462 4364 9425 4350 9425
      4350 9451
TIME...MOT...LOC 2251Z 291DEG 12KT 4361 9459 

TORNADO...RADAR INDICATED
HAIL...<.75IN

$$

JRB
3 follow-up statements
963 
WWUS53 KMPX 102302
SVSMPX

Severe Weather Statement
National Weather Service Twin Cities/Chanhassen MN
602 PM CDT Sat Aug 10 2019

MNC091-102330-
/O.CON.KMPX.TO.W.0039.000000T0000Z-190810T2330Z/
Martin MN-
602 PM CDT Sat Aug 10 2019

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 630 PM CDT FOR
SOUTHEASTERN MARTIN COUNTY...
        
At 602 PM CDT, a severe thunderstorm capable of producing a tornado
was located near Fairmont, moving east at 15 mph.

HAZARD...Tornado.

SOURCE...Weather spotters reported a funnel cloud.

IMPACT...Flying debris will be dangerous to those caught without 
         shelter. Mobile homes will be damaged or destroyed. Damage 
         to roofs, windows, and vehicles will occur.  Tree damage is 
         likely.

This dangerous storm will be near...
  Fairmont around 610 PM CDT.
  Iowa Lake around 630 PM CDT.

Other locations impacted by this tornadic thunderstorm include
Wilbert and East Chain.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.

&&

LAT...LON 4360 9465 4368 9462 4364 9425 4350 9425
      4350 9451
TIME...MOT...LOC 2302Z 284DEG 12KT 4362 9454 

TORNADO...RADAR INDICATED
HAIL...<.75IN

$$

JRB
695 
WWUS53 KMPX 102314
SVSMPX

Severe Weather Statement
National Weather Service Twin Cities/Chanhassen MN
614 PM CDT Sat Aug 10 2019

MNC091-102330-
/O.CON.KMPX.TO.W.0039.000000T0000Z-190810T2330Z/
Martin MN-
614 PM CDT Sat Aug 10 2019

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 630 PM CDT FOR
SOUTHEASTERN MARTIN COUNTY...
    
At 613 PM CDT, a severe thunderstorm capable of producing a tornado
was located near Fairmont, moving southeast at 10 mph.

HAZARD...Tornado and quarter size hail.

SOURCE...Radar indicated rotation.

IMPACT...Flying debris will be dangerous to those caught without 
         shelter. Mobile homes will be damaged or destroyed. Damage 
         to roofs, windows, and vehicles will occur.  Tree damage is 
         likely.

This dangerous storm will be near...
  Fairmont and Iowa Lake around 630 PM CDT.

Other locations impacted by this tornadic thunderstorm include
Fairmont Airport, Wilbert and East Chain.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.

Torrential rainfall is occurring with this storm, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.

&&

LAT...LON 4360 9462 4368 9459 4364 9425 4350 9425
      4350 9450
TIME...MOT...LOC 2313Z 292DEG 8KT 4362 9454 

TORNADO...RADAR INDICATED
HAIL...1.00IN

$$

JRB
744 
WWUS53 KMPX 102321
SVSMPX

Severe Weather Statement
National Weather Service Twin Cities/Chanhassen MN
621 PM CDT Sat Aug 10 2019

MNC091-102330-
/O.CON.KMPX.TO.W.0039.000000T0000Z-190810T2330Z/
Martin MN-
621 PM CDT Sat Aug 10 2019

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 630 PM CDT FOR
SOUTHEASTERN MARTIN COUNTY...
    
At 621 PM CDT, a severe thunderstorm capable of producing a tornado
was located near Fairmont, moving southeast at 10 mph.

HAZARD...Tornado and quarter size hail.

SOURCE...Radar indicated rotation.

IMPACT...Flying debris will be dangerous to those caught without 
         shelter. Mobile homes will be damaged or destroyed. Damage 
         to roofs, windows, and vehicles will occur.  Tree damage is 
         likely.

This dangerous storm will be near...
  Fairmont around 630 PM CDT.

Other locations impacted by this tornadic thunderstorm include East
Chain.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.

Torrential rainfall is occurring with this storm, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.

&&

LAT...LON 4361 9457 4367 9454 4364 9425 4350 9425
      4350 9442
TIME...MOT...LOC 2321Z 292DEG 8KT 4361 9452 

TORNADO...RADAR INDICATED
HAIL...1.00IN

$$

JRB

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 10, 5:48 PM CDTSpecial Weather StatementMPXMartin42 min
Aug 10, 6:30 PM CDTTornado WarningMPXMartin45 min

Nearby

Tornado Warnings in Minnesota, 2019Every tornado warning in 2019Tornadoes in 2019

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.