Alert archive / Iowa / Tornado Warnings in 2014

Tornado Warning 24, NWS Des Moines, IA

June 16, 2014Kossuth County, Palo Alto County, Iowa

NWS Des Moines, IA issued this tornado warning at Jun 16, 2014, 5:56 PM CDT for Kossuth County, Palo Alto County, Iowa. It was in force for 34 min. 4 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: Jun 16, 2014, 5:56 PM CDT (22:56 UTC)
Expired: Jun 16, 2014, 6:30 PM CDT
In force: 34 min
Issued by: NWS Des Moines, IA
Area: Storm-based polygon
Tornado: Radar indicated
Hail: 0.75 in

Counties Kossuth County, IA, Palo Alto County, IA

The radar

The Des Moines radar (KDMX), 147 km from the middle of the area, began a volume at 22:57 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

Time	Report	Where	Remark
Jun 16, 5:57 PM CDT	TORNADO	4 Wsw West Bend, IA	PICTURE OF TORNADO IN OPEN FIELD. NO REPORTED DAMAGE
Jun 16, 6:15 PM CDT	TSTM WND GST 50	Sw Algona, IA	PEA HAIL AND SMALL BRANCHES DOWN.
Jun 16, 6:15 PM CDT	TSTM WND GST 62	Algona Airport, IA
Jun 16, 6:30 PM CDT	TSTM WND DMG	Algona, IA	4-5 INCH DIAMETER TREE BRANCHES DOWN, DIME SIZE HAIL AND 2 INCHES OF PONDED WATER ON THE ROAD

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

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
Jun 16, 12:25 PM CDT	Tornado Watch	SPC	8 hr
Jun 16, 5:37 PM CDT	Tornado Watch	SPC	6 hr

The nearest sounding before it

Minneapolis, MN (KMPX), launched 12:00Z, 10.9 hours before the alert went out and 216 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: 15 J/kg
Mixed-layer CIN: -158 J/kg
Mixed-layer LCL: 1817 m above ground
0-6 km bulk shear: 38 kt
0-1 km storm-relative helicity: 210 m²/s²
0-3 km storm-relative helicity: 264 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

211 
WFUS53 KDMX 162256
TORDMX
IAC109-147-162330-
/O.NEW.KDMX.TO.W.0024.140616T2256Z-140616T2330Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE DES MOINES IA
556 PM CDT MON JUN 16 2014

THE NATIONAL WEATHER SERVICE IN DES MOINES  HAS ISSUED A

* TORNADO WARNING FOR...
  SOUTHEASTERN PALO ALTO COUNTY IN NORTHWEST IOWA...
  SOUTHWESTERN KOSSUTH COUNTY IN NORTH CENTRAL IOWA...

* UNTIL 630 PM CDT
    
* AT 556 PM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A
  TORNADO WAS LOCATED 14 MILES SOUTHEAST OF EMMETSBURG...MOVING
  NORTHEAST AT 25 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...
  ALGONA...WEST BEND...WHITTEMORE...LU VERNE...ST. JOSEPH...
  OTTOSEN...IRVINGTON...AA CALL STATE PARK...ALGONA MUNICIPAL AIRPORT
  AND STINSON PRAIRIE STATE PARK.

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 IN A MOBILE HOME...A
VEHICLE OR OUTDOORS...MOVE TO THE CLOSEST SUBSTANTIAL SHELTER AND
PROTECT YOURSELF FROM FLYING DEBRIS.

&&

LAT...LON 4291 9403 4290 9432 4291 9451 4299 9463
      4302 9451 4321 9419
TIME...MOT...LOC 2256Z 242DEG 23KT 4295 9451 

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

$$

JOHNSON

2 follow-up statements

934 
WWUS53 KDMX 162304
SVSDMX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE DES MOINES IA
604 PM CDT MON JUN 16 2014

IAC109-147-162330-
/O.CON.KDMX.TO.W.0024.000000T0000Z-140616T2330Z/
PALO ALTO IA-KOSSUTH IA-
604 PM CDT MON JUN 16 2014

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 630 PM CDT FOR
SOUTHEASTERN PALO ALTO AND SOUTHWESTERN KOSSUTH COUNTIES...
    
AT 604 PM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO
WAS LOCATED 10 MILES SOUTHWEST OF ALGONA...MOVING NORTHEAST AT 30
MPH.

HAZARD...TORNADO AND HALF DOLLAR 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...
  ALGONA AROUND 625 PM CDT.

OTHER LOCATIONS IMPACTED BY THIS TORNADIC THUNDERSTORM INCLUDE
IRVINGTON...AA CALL STATE PARK...ALGONA MUNICIPAL AIRPORT...
WHITTEMORE...ST. JOSEPH...WEST BEND...LU VERNE...STINSON PRAIRIE
STATE PARK AND OTTOSEN.

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 IN A MOBILE HOME...A
VEHICLE OR OUTDOORS...MOVE TO THE CLOSEST SUBSTANTIAL SHELTER AND
PROTECT YOURSELF FROM FLYING DEBRIS.

&&

LAT...LON 4291 9403 4290 9432 4291 9451 4300 9458
      4302 9451 4321 9419
TIME...MOT...LOC 2304Z 242DEG 27KT 4299 9440 

TORNADO...RADAR INDICATED
HAIL...1.25IN

$$

JOHNSON

263 
WWUS53 KDMX 162325
SVSDMX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE DES MOINES IA
625 PM CDT MON JUN 16 2014

IAC109-147-162334-
/O.EXP.KDMX.TO.W.0024.000000T0000Z-140616T2330Z/
PALO ALTO IA-KOSSUTH IA-
625 PM CDT MON JUN 16 2014

...THE TORNADO WARNING FOR SOUTHEASTERN PALO ALTO AND SOUTHWESTERN
KOSSUTH COUNTIES WILL EXPIRE AT 630 PM CDT...
                
THE STORM WHICH PROMPTED THE WARNING HAS WEAKENED BELOW SEVERE
LIMITS...AND NO LONGER APPEARS CAPABLE OF PRODUCING A TORNADO.
THEREFORE THE WARNING WILL BE ALLOWED TO EXPIRE.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 1200 AM CDT TUESDAY MORNING
FOR NORTHWEST IOWA.A TORNADO WATCH ALSO REMAINS IN EFFECT UNTIL 1200
AM CDT TUESDAY MORNING FOR NORTHERN IOWA.

REMEMBER...A SEVERE THUNDERSTORM WARNING STILL REMAINS IN EFFECT FOR
THE AREA UNTIL 645 PM. 

LAT...LON 4291 9403 4290 9432 4291 9451 4300 9458
      4302 9451 4321 9419
TIME...MOT...LOC 2323Z 242DEG 23KT 4299 9440 

$$

JOHNSON

The office that day

Everything else NWS Des Moines, IA issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jun 16, 12:00 PM CDT	Special Weather Statement	DMX	Crawford	45 min
Jun 16, 1:07 PM CDT	Severe Thunderstorm Warning	DMX	Audubon, Carroll, Crawford	68 min
Jun 16, 1:13 PM CDT	Severe Thunderstorm Warning	DMX	Sac	32 min
Jun 16, 2:57 PM CDT	Special Weather Statement	DMX	Jasper	63 min
Jun 16, 3:28 PM CDT	Flash Flood Watch	DMX	Adair, Audubon, Black Hawk, Boone, Bremer, Butler and 33 more	12 hr
Jun 16, 4:47 PM CDT	Severe Thunderstorm Warning	DMX	Emmet	43 min
Jun 16, 5:09 PM CDT	Flash Flood Warning	DMX	Emmet, Kossuth, Palo Alto	6 hr
Jun 16, 5:11 PM CDT	Tornado Warning	DMX	Emmet, Kossuth	34 min
Jun 16, 5:13 PM CDT	Severe Thunderstorm Warning	DMX	Emmet, Palo Alto, Pocahontas	62 min
Jun 16, 5:28 PM CDT	Severe Thunderstorm Warning	DMX	Kossuth	62 min
Jun 16, 5:33 PM CDT	Tornado Warning	DMX	Palo Alto	42 min
Jun 16, 5:46 PM CDT	Severe Thunderstorm Warning	DMX	Hancock, Humboldt, Kossuth, Wright	59 min
Jun 16, 5:51 PM CDT	Severe Thunderstorm Warning	DMX	Kossuth, Winnebago, Worth	54 min
Jun 16, 6:26 PM CDT	Severe Thunderstorm Warning	DMX	Cerro Gordo, Franklin, Hancock, Humboldt, Kossuth, Wright	64 min
Jun 16, 6:33 PM CDT	Severe Thunderstorm Warning	DMX	Humboldt, Kossuth, Palo Alto, Pocahontas	42 min
Jun 16, 6:33 PM CDT	Tornado Warning	DMX	Cerro Gordo, Hancock, Worth	27 min
Jun 16, 6:35 PM CDT	Flash Flood Warning	DMX	Cerro Gordo, Franklin, Hancock, Winnebago, Worth, Wright	9 hr
Jun 16, 6:36 PM CDT	Tornado Warning	DMX	Humboldt, Kossuth, Palo Alto, Pocahontas	24 min
Jun 16, 6:43 PM CDT	Severe Thunderstorm Warning	DMX	Cerro Gordo, Franklin, Worth	47 min
Jun 16, 6:49 PM CDT	Tornado Warning Tornado observed	DMX	Cerro Gordo, Worth	26 min
Jun 16, 6:53 PM CDT	Tornado Warning Tornado observed	DMX	Cerro Gordo, Franklin, Hancock, Wright	37 min
Jun 16, 6:56 PM CDT	Severe Thunderstorm Warning	DMX	Franklin, Hamilton, Hardin	34 min

Nearby

Tornado Warnings in Iowa, 2014 Every tornado warning in 2014 Tornadoes in 2014

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.