Alert archive / Iowa / Tornado Warnings in 2016

Tornado Warning 3, NWS Omaha, NE

April 27, 2016Fremont County, Iowa

NWS Omaha, NE issued this tornado warning at Apr 27, 2016, 2:45 PM CDT for Fremont County, Iowa. It was in force for 45 min. 1 report 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: Apr 27, 2016, 2:45 PM CDT (19:45 UTC)
Expired: Apr 27, 2016, 3:30 PM CDT
In force: 45 min
Issued by: NWS Omaha, NE
Area: Storm-based polygon
Tornado: Radar indicated
Hail: 1.0 in

County Fremont County, IA

The radar

The Omaha radar (KOAX), 102 km from the middle of the area, began a volume at 19:48 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
Apr 27, 2:54 PM CDT	FUNNEL CLOUD	4 S Riverton, IA

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
Apr 27, 2:33 PM CDT	Tornado Watch	SPC	7 hr

The nearest sounding before it

Omaha, NE (KOAX), launched 12:00Z, 7.8 hours before the alert went out and 102 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: 514 m above ground
0-6 km bulk shear: 18 kt
0-1 km storm-relative helicity: 268 m²/s²
0-3 km storm-relative helicity: 345 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

305 
WFUS53 KOAX 271945
TOROAX
IAC071-272030-
/O.NEW.KOAX.TO.W.0003.160427T1945Z-160427T2030Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE OMAHA/VALLEY NEBRASKA
245 PM CDT WED APR 27 2016

THE NATIONAL WEATHER SERVICE IN OMAHA HAS ISSUED A

* TORNADO WARNING FOR...
  SOUTHEASTERN FREMONT COUNTY IN SOUTHWESTERN IOWA...

* UNTIL 330 PM CDT
    
* AT 244 PM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A
  TORNADO WAS LOCATED 6 MILES EAST OF HAMBURG...OR 12 MILES NORTHWEST
  OF TARKIO...MOVING NORTH AT 20 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...
  RIVERTON AROUND 305 PM CDT. 
  FARRAGUT AROUND 315 PM CDT. 
  SHENANDOAH AROUND 330 PM CDT. 

THIS INCLUDES HIGHWAY 59 IN IOWA BETWEEN MILE MARKERS 13 AND 16.
 
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 4058 9544 4058 9559 4083 9558 4083 9540
      4081 9538 4075 9538
TIME...MOT...LOC 1944Z 191DEG 18KT 4058 9553 

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

$$

MILLER

5 follow-up statements

226 
WWUS53 KOAX 271951
SVSOAX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE OMAHA/VALLEY NEBRASKA
251 PM CDT WED APR 27 2016

IAC071-272030-
/O.CON.KOAX.TO.W.0003.000000T0000Z-160427T2030Z/
FREMONT IA-
251 PM CDT WED APR 27 2016

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 330 PM CDT FOR
SOUTHEASTERN FREMONT COUNTY...
    
AT 251 PM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO
WAS LOCATED 6 MILES SOUTHEAST OF RIVERTON...OR 13 MILES NORTHWEST OF
TARKIO...MOVING NORTH AT 20 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...
  RIVERTON AROUND 310 PM CDT. 
  FARRAGUT AROUND 320 PM CDT. 
  SHENANDOAH AROUND 330 PM CDT. 

THIS INCLUDES HIGHWAY 59 IN IOWA BETWEEN MILE MARKERS 13 AND 16.
 
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 4058 9544 4058 9559 4083 9558 4083 9540
      4081 9538 4075 9538
TIME...MOT...LOC 1951Z 196DEG 15KT 4060 9552 

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

$$

MILLER

626 
WWUS53 KOAX 271956
SVSOAX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE OMAHA/VALLEY NEBRASKA
256 PM CDT WED APR 27 2016

IAC071-272030-
/O.CON.KOAX.TO.W.0003.000000T0000Z-160427T2030Z/
FREMONT IA-
256 PM CDT WED APR 27 2016

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 330 PM CDT FOR
SOUTHEASTERN FREMONT COUNTY...
    
AT 256 PM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO
WAS LOCATED 5 MILES SOUTHEAST OF RIVERTON...OR 14 MILES NORTHWEST OF
TARKIO...MOVING NORTH AT 30 MPH. THIS STORM COULD PRODUCE A TORNADO
QUICKLY.

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...
  RIVERTON AROUND 305 PM CDT. 
  FARRAGUT AROUND 310 PM CDT. 
  SHENANDOAH AROUND 320 PM CDT. 

THIS INCLUDES HIGHWAY 59 IN IOWA BETWEEN MILE MARKERS 13 AND 16.
 
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 4058 9544 4058 9559 4083 9558 4083 9540
      4081 9538 4075 9538
TIME...MOT...LOC 1956Z 196DEG 25KT 4062 9552 

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

$$

MILLER

934 
WWUS53 KOAX 272001
SVSOAX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE OMAHA/VALLEY NEBRASKA
301 PM CDT WED APR 27 2016

IAC071-272030-
/O.CON.KOAX.TO.W.0003.000000T0000Z-160427T2030Z/
FREMONT IA-
301 PM CDT WED APR 27 2016

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 330 PM CDT FOR
SOUTHEASTERN FREMONT COUNTY...
    
AT 301 PM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO
WAS LOCATED 4 MILES SOUTHEAST OF RIVERTON...OR 15 MILES NORTHWEST OF
TARKIO...MOVING NORTH AT 20 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...
  RIVERTON AROUND 310 PM CDT. 
  FARRAGUT AROUND 320 PM CDT. 
  SHENANDOAH AROUND 330 PM CDT. 

THIS INCLUDES HIGHWAY 59 IN IOWA BETWEEN MILE MARKERS 13 AND 16.
 
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 4058 9544 4058 9559 4083 9558 4083 9540
      4081 9538 4075 9538
TIME...MOT...LOC 2001Z 191DEG 18KT 4065 9551 

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

$$

MILLER

641 
WWUS53 KOAX 272013
SVSOAX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE OMAHA/VALLEY NEBRASKA
313 PM CDT WED APR 27 2016

IAC071-272030-
/O.CON.KOAX.TO.W.0003.000000T0000Z-160427T2030Z/
FREMONT IA-
313 PM CDT WED APR 27 2016

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 330 PM CDT FOR
SOUTHEASTERN FREMONT COUNTY...
    
AT 312 PM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO
WAS LOCATED 4 MILES SOUTH OF FARRAGUT...OR 15 MILES NORTH OF TARKIO...
MOVING NORTHEAST AT 10 MPH. THIS STORM HAS A ROTATING WALL CLOUD. 

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...
  SHENANDOAH AND FARRAGUT AROUND 330 PM CDT. 

THIS INCLUDES HIGHWAY 59 IN IOWA BETWEEN MILE MARKERS 13 AND 16.
 
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 4058 9544 4058 9559 4083 9558 4083 9540
      4081 9538 4075 9538
TIME...MOT...LOC 2012Z 207DEG 11KT 4065 9549 

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

$$

MILLER

159 
WWUS53 KOAX 272019
SVSOAX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE OMAHA/VALLEY NEBRASKA
319 PM CDT WED APR 27 2016

IAC071-272030-
/O.CON.KOAX.TO.W.0003.000000T0000Z-160427T2030Z/
FREMONT IA-
319 PM CDT WED APR 27 2016

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 330 PM CDT FOR
SOUTHEASTERN FREMONT COUNTY...
    
AT 319 PM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO
WAS LOCATED NEAR FARRAGUT...OR 17 MILES NORTH OF TARKIO...MOVING NORTH
AT 20 MPH. THIS COULD PRODUCE A TORNADO QUICKLY...SO BE ON ALERT. 

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...
  SHENANDOAH AROUND 330 PM CDT. 

THIS INCLUDES HIGHWAY 59 IN IOWA BETWEEN MILE MARKERS 13 AND 16.
 
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 4058 9544 4058 9559 4083 9558 4083 9540
      4081 9538 4075 9538
TIME...MOT...LOC 2019Z 192DEG 19KT 4069 9548 

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

$$

MILLER

The office that day

Everything else NWS Omaha, NE issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Apr 27, 2:14 PM CDT	Special Weather Statement	OAX	Fremont	31 min
Apr 27, 2:26 PM CDT	Severe Thunderstorm Warning	OAX	Fremont	49 min
Apr 27, 2:36 PM CDT	Tornado Warning	OAX	Montgomery, Page	24 min
Apr 27, 2:56 PM CDT	Severe Thunderstorm Warning	OAX	Mills	49 min
Apr 27, 2:59 PM CDT	Tornado Warning	OAX	Montgomery, Page	31 min
Apr 27, 3:23 PM CDT	Tornado Warning Tornado observed	OAX	Montgomery	37 min
Apr 27, 3:26 PM CDT	Severe Thunderstorm Warning	OAX	Fremont, Page	32 min
Apr 27, 3:48 PM CDT	Severe Thunderstorm Warning	OAX	Mills, Pottawattamie	27 min
Apr 27, 3:49 PM CDT	Severe Thunderstorm Warning	OAX	Fremont, Mills, Montgomery, Page	41 min
Apr 27, 3:54 PM CDT	Severe Thunderstorm Warning	OAX	Montgomery, Pottawattamie	36 min
Apr 27, 4:48 PM CDT	Areal Flood Advisory	OAX	Montgomery, Page	4 hr
Apr 27, 5:01 PM CDT	Areal Flood Warning	OAX	Mills	3 hr
Apr 27, 5:14 PM CDT	Special Weather Statement	OAX	Montgomery	46 min
Apr 27, 6:04 PM CDT	Flash Flood Warning	OAX	Montgomery, Page	5 hr

Nearby

Tornado Warnings in Iowa, 2016 Every tornado warning in 2016 Tornadoes in 2016

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.