Alert archive / Iowa / Tornado Warnings in 2019

Tornado Warning 8, NWS La Crosse, WI

May 27, 2019Floyd County, Howard County, Mitchell County, Iowa

NWS La Crosse, WI issued this tornado warning at May 27, 2019, 12:32 PM CDT for Floyd County, Howard County, Mitchell County, Iowa. It was in force for 43 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, 12:32 PM CDT (17:32 UTC)
Expired: May 27, 2019, 1:15 PM CDT
In force: 43 min
Issued by: NWS La Crosse, WI
Area: Storm-based polygon
Tornado: Observed
Hail: 0.0 in

Counties Floyd County, IA, Howard County, IA, Mitchell County, IA

The radar

The La Crosse radar (KARX), 131 km from the middle of the area, began a volume at 17:32 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, 5.5 hours before the alert went out and 195 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: 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.

480 
WFUS53 KARX 271732
TORARX
IAC067-089-131-271815-
/O.NEW.KARX.TO.W.0008.190527T1732Z-190527T1815Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service La Crosse WI
1232 PM CDT Mon May 27 2019

The National Weather Service in La Crosse has issued a

* Tornado Warning for...
  Southeastern Mitchell County in north central Iowa...
  Southwestern Howard County in northeastern Iowa...
  Northeastern Floyd County in north central Iowa...

* Until 115 PM CDT.

* At 1231 PM CDT, a confirmed tornado was located over Floyd, or near
  Charles City, moving northeast at 40 mph.

  HAZARD...Damaging tornado.

  SOURCE...Weather spotters confirmed tornado. A tornado has been 
           reported near the fairgrounds in Charles City!

  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.

* The tornado will be near...
  Riceville around 1255 PM CDT.

Other locations impacted by this tornadic thunderstorm include
Saratoga, County B 17 And Bell Avenue, Idlewilde State Park,
Howardville, Brownville, County Roads T 54 And A 31 and Colwell
County Park.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

To repeat, a tornado is on the ground. 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 4343 9266 4337 9241 4321 9253 4321 9255
      4318 9255 4305 9266 4309 9281
TIME...MOT...LOC 1731Z 212DEG 35KT 4314 9269 

TORNADO...OBSERVED
HAIL...0.00IN

$$

Lawrence

3 follow-up statements

156 
WWUS53 KARX 271742
SVSARX

Severe Weather Statement
National Weather Service La Crosse WI
1242 PM CDT Mon May 27 2019

IAC067-089-131-271815-
/O.CON.KARX.TO.W.0008.000000T0000Z-190527T1815Z/
Mitchell IA-Howard IA-Floyd IA-
1242 PM CDT Mon May 27 2019

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 115 PM CDT FOR
SOUTHEASTERN MITCHELL...SOUTHWESTERN HOWARD AND NORTHEASTERN FLOYD
COUNTIES...
    
At 1241 PM CDT, a confirmed tornado was located 2 miles west of 
Colwell, or 10 miles southeast of Osage, moving northeast at 40 mph.

HAZARD...Damaging tornado.

SOURCE...Weather spotters confirmed tornado. Damage to houses has 
         been reported north of Charles City.

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 tornado will be near...
  Riceville around 1255 PM CDT.

Other locations impacted by this tornadic thunderstorm include
Colwell County Park, Saratoga, County B 17 And Bell Avenue, New
Haven, Howardville, Brownville and County Roads T 54 And A 31.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

To repeat, a tornado is on the ground. 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 4343 9266 4337 9241 4321 9253 4321 9255
      4318 9255 4310 9262 4317 9275
TIME...MOT...LOC 1741Z 212DEG 35KT 4322 9262 

TORNADO...OBSERVED
HAIL...0.00IN

$$

DL

629 
WWUS53 KARX 271755
SVSARX

Severe Weather Statement
National Weather Service La Crosse WI
1255 PM CDT Mon May 27 2019

IAC067-271804-
/O.CAN.KARX.TO.W.0008.000000T0000Z-190527T1815Z/
Floyd IA-
1255 PM CDT Mon May 27 2019

...THE TORNADO WARNING FOR NORTHEASTERN FLOYD COUNTY IS CANCELLED...
    
The tornadic thunderstorm which prompted the warning has moved out 
of the area. Therefore, the warning has been cancelled.

LAT...LON 4341 9258 4337 9241 4325 9254 4330 9261
TIME...MOT...LOC 1754Z 212DEG 35KT 4333 9252 

$$

IAC089-131-271815-
/O.CON.KARX.TO.W.0008.000000T0000Z-190527T1815Z/
Mitchell IA-Howard IA-
1255 PM CDT Mon May 27 2019

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 115 PM CDT FOR EAST
CENTRAL MITCHELL AND WEST CENTRAL HOWARD COUNTIES...
    
At 1254 PM CDT, a confirmed tornado was located just south of 
Riceville, or 14 miles east of Osage, moving northeast at 40 mph.

HAZARD...Damaging tornado.

SOURCE...Weather spotters confirmed 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 tornadic thunderstorm will remain over mainly rural areas of
east central Mitchell and west central Howard Counties, including the
following locations... Saratoga.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

To repeat, a tornado is on the ground. 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 4341 9258 4337 9241 4325 9254 4330 9261
TIME...MOT...LOC 1754Z 212DEG 35KT 4333 9252 

TORNADO...OBSERVED
HAIL...0.00IN

$$

Lawrence

117 
WWUS53 KARX 271805
SVSARX

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

IAC131-271815-
/O.CAN.KARX.TO.W.0008.000000T0000Z-190527T1815Z/
Mitchell IA-
105 PM CDT Mon May 27 2019

...THE TORNADO WARNING FOR EAST CENTRAL MITCHELL COUNTY IS
CANCELLED...
    
The tornadic thunderstorm which prompted the warning has 
moved out of the area. Therefore, the warning has been cancelled.

LAT...LON 4340 9255 4337 9241 4334 9244 4338 9255
TIME...MOT...LOC 1805Z 212DEG 35KT 4343 9244 

$$

IAC089-271815-
/O.CON.KARX.TO.W.0008.000000T0000Z-190527T1815Z/
Howard IA-
105 PM CDT Mon May 27 2019

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 115 PM CDT FOR WEST
CENTRAL HOWARD COUNTY...
    
At 105 PM CDT, a severe thunderstorm capable of producing a tornado
was located 7 miles southeast of Le Roy, or 16 miles west of Cresco,
moving northeast at 40 mph.

HAZARD...Tornado.

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.

Locations impacted include...
Saratoga.

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 4340 9255 4337 9241 4334 9244 4338 9255
TIME...MOT...LOC 1805Z 212DEG 35KT 4343 9244 

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

$$

Lawrence

The office that day

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

Issued	Product	Office	Counties	Lasted
May 27, 1:00 PM CDT	Tornado Warning	ARX	Howard	45 min
May 27, 1:07 PM CDT	Tornado Warning Tornado observed	ARX	Chickasaw, Floyd, Howard	38 min
May 27, 1:40 PM CDT	Tornado Warning Tornado observedConsiderable damage threat	ARX	Howard	50 min
May 27, 2:20 PM CDT	Tornado Warning	ARX	Winneshiek	23 min

Nearby

Tornado Warnings in Iowa, 2019 Every tornado warning in 2019 Tornadoes 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.