Alert archive / Minnesota / Tornado Warnings in 2019

Tornado Warning 9, NWS La Crosse, WI

May 27, 2019Fillmore County, Mower County, Minnesota; Howard County, Iowa

NWS La Crosse, WI issued this tornado warning at May 27, 2019, 1:00 PM CDT for Fillmore County, Mower County, Minnesota; Howard County, Iowa. It was in force for 45 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 27, 2019, 1:00 PM CDT (18:00 UTC)
Expired
May 27, 2019, 1:45 PM CDT
In force
45 min
Issued by
NWS La Crosse, WI
Area
Storm-based polygon
Tornado
Radar indicated
Hail
0.0 in

Counties Howard County, IA, Fillmore County, MN, Mower County, MN

The radar

The La Crosse radar (KARX), 103 km from the middle of the area, began a volume at 18:04 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, 6.0 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-pSkew-T log-p diagram, Minneapolis, MN at 12:00Z on 2019-05-27Temperature 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 2019-05-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 48 square meters per square second.19395878Sfc1 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
961 m above ground
0-6 km bulk shear
53 kt
0-1 km storm-relative helicity
48 m²/s²
0-3 km storm-relative helicity
220 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

955 
WFUS53 KARX 271800
TORARX
IAC089-MNC045-099-271845-
/O.NEW.KARX.TO.W.0009.190527T1800Z-190527T1845Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service La Crosse WI
100 PM CDT Mon May 27 2019

The National Weather Service in La Crosse has issued a

* Tornado Warning for...
  Northwestern Howard County in northeastern Iowa...
  Southeastern Mower County in southeastern Minnesota...
  Southwestern Fillmore County in southeastern Minnesota...

* Until 145 PM CDT.
    
* At 1259 PM CDT, a severe thunderstorm capable of producing a
  tornado was located near Riceville, or 17 miles east of Osage,
  moving northeast at 40 mph.

  HAZARD...Tornado.

  SOURCE...Radar indicated rotation. This storm has a history of 
           producing a tornado over the past 30 minutes.

  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...
  Le Roy around 110 PM CDT.

Other locations impacted by this tornadic thunderstorm include 
Chester, Saratoga, Forestville State Park, Etna, York, Cherry Grove 
and Ostrander.

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 4368 9240 4366 9211 4335 9242 4339 9255
      4344 9255
TIME...MOT...LOC 1759Z 211DEG 35KT 4338 9249 

TORNADO...RADAR INDICATED
HAIL...0.00IN

$$

Lawrence
1 follow-up statement
367 
WWUS53 KARX 271821
SVSARX

Severe Weather Statement
National Weather Service La Crosse WI
121 PM CDT Mon May 27 2019

IAC089-MNC045-099-271845-
/O.CON.KARX.TO.W.0009.000000T0000Z-190527T1845Z/
Howard IA-Mower MN-Fillmore MN-
121 PM CDT Mon May 27 2019

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 145 PM CDT FOR NORTH
CENTRAL HOWARD...SOUTHEASTERN MOWER AND SOUTHWESTERN FILLMORE
COUNTIES...
    
At 120 PM CDT, a severe thunderstorm capable of producing a tornado
was located near Le Roy, or 16 miles northwest of Cresco, moving
northeast at 35 mph.

HAZARD...Tornado.

SOURCE...Radar indicated rotation. This storm has a history of 
         producing a tornado.

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...
  Spring Valley around 140 PM CDT.

Other locations impacted by this tornadic thunderstorm include
Chester, Forestville State Park, Etna, York, Cherry Grove, Ostrander
and Greenleafton.

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 4368 9240 4366 9211 4343 9238 4348 9248
      4350 9250
TIME...MOT...LOC 1820Z 208DEG 31KT 4352 9239 

TORNADO...RADAR INDICATED
HAIL...0.00IN

$$

Lawrence

The office that day

Everything else NWS La Crosse, WI issued on the same UTC day.

IssuedProductOfficeCountiesLasted
May 27, 1:40 PM CDTTornado Warning Tornado observedConsiderable damage threatARXFillmore50 min
May 27, 1:41 PM CDTTornado Warning Tornado observedARXFillmore, Olmsted19 min
May 27, 2:11 PM CDTTornado Warning Tornado observedARXFillmore16 min
May 27, 2:21 PM CDTTornado WarningARXFillmore10 min
May 27, 6:21 PM CDTRiver Flood WarningARXOlmsted, Winona20 hr
May 27, 12:32 PM CDTTornado Warning Tornado observedARXFloyd, Howard, Mitchell43 min
May 27, 1:07 PM CDTTornado Warning Tornado observedARXChickasaw, Floyd, Howard38 min
May 27, 2:20 PM CDTTornado WarningARXWinneshiek23 min

Nearby

Tornado Warnings in Minnesota, 2019Tornado Warnings in Iowa, 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.