Alert archive / Iowa / Tornado Warnings in 2016

Tornado Warning 2, NWS Des Moines, IA

April 27, 2016Taylor County, Iowa

NWS Des Moines, IA issued this tornado warning at Apr 27, 2016, 4:38 PM CDT for Taylor County, Iowa. It was in force for 37 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
Apr 27, 2016, 4:38 PM CDT (21:38 UTC)
Expired
Apr 27, 2016, 5:15 PM CDT
In force
37 min
Issued by
NWS Des Moines, IA
Area
Storm-based polygon
Tornado
Radar indicated
Hail
1.0 in

County Taylor County, IA

The radar

The Des Moines radar (KDMX), 136 km from the middle of the area, began a volume at 21:38 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
Apr 27, 4:52 PM CDTTORNADO3 Se Conway, IAVIDEO EVIDENCE OF A BRIEF TORNADO TOUCHDOWN NEAR THE INTERSECTION OF HIGHWAY 2 AND ROCKWOOD ROAD. NO DAMAGE REPORTED AT THIS TIME.
Apr 27, 5:00 PM CDTFUNNEL CLOUD4 E Conway, IASPOTTER ON HW25 OBSERVING A WEAK ROPE FUNNEL CLOUD AND RAPID ROTATION TO THE WEST.

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.

IssuedProductOfficeLasted
Apr 27, 2:33 PM CDTTornado WatchSPC7 hr

The nearest sounding before it

Omaha, NE (KOAX), launched 12:00Z, 9.6 hours before the alert went out and 164 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, Omaha, NE at 12:00Z on 2016-04-27Temperature 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, Omaha, NE at 12:00Z on 2016-04-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 268 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
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.

355 
WFUS53 KDMX 272138
TORDMX
IAC173-272215-
/O.NEW.KDMX.TO.W.0002.160427T2138Z-160427T2215Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE DES MOINES IA
438 PM CDT WED APR 27 2016

THE NATIONAL WEATHER SERVICE IN DES MOINES  HAS ISSUED A

* TORNADO WARNING FOR...
  EASTERN TAYLOR COUNTY IN SOUTHWESTERN IOWA...

* UNTIL 515 PM CDT
    
* AT 438 PM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A
  TORNADO WAS LOCATED 5 MILES EAST OF BEDFORD...MOVING NORTHEAST AT
  15 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 TORNADIC THUNDERSTORM WILL REMAIN OVER MAINLY RURAL AREAS OF
  EASTERN TAYLOR COUNTY...INCLUDING THE FOLLOWING LOCATIONS: CONWAY
  AND SHARPSBURG.

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.

HEAVY RAINFALL MAY HIDE THIS TORNADO. DO NOT WAIT TO SEE OR HEAR THE
TORNADO. TAKE COVER NOW.

&&

LAT...LON 4063 9469 4083 9463 4077 9447 4074 9447
      4060 9460
TIME...MOT...LOC 2138Z 206DEG 14KT 4065 9462 

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

$$

COGIL
3 follow-up statements
649 
WWUS53 KDMX 272148
SVSDMX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE DES MOINES IA
448 PM CDT WED APR 27 2016

IAC173-272215-
/O.CON.KDMX.TO.W.0002.000000T0000Z-160427T2215Z/
TAYLOR IA-
448 PM CDT WED APR 27 2016

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 515 PM CDT FOR
NORTHEASTERN TAYLOR COUNTY...
    
AT 448 PM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO
WAS LOCATED 7 MILES EAST OF BEDFORD...MOVING NORTHEAST 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. 

LOCATIONS IMPACTED INCLUDE...
SHARPSBURG AND CONWAY. 

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.

HEAVY RAINFALL MAY HIDE THIS TORNADO. DO NOT WAIT TO SEE OR HEAR THE
TORNADO. TAKE COVER NOW.

&&

LAT...LON 4068 9465 4083 9463 4077 9447 4066 9458
TIME...MOT...LOC 2148Z 204DEG 18KT 4070 9459 

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

$$

COGIL
852 
WWUS53 KDMX 272204
SVSDMX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE DES MOINES IA
504 PM CDT WED APR 27 2016

IAC173-272215-
/O.CON.KDMX.TO.W.0002.000000T0000Z-160427T2215Z/
TAYLOR IA-
504 PM CDT WED APR 27 2016

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 515 PM CDT FOR
NORTHEASTERN TAYLOR COUNTY...
        
AT 504 PM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO
WAS LOCATED 8 MILES SOUTH OF LENOX...OR 10 MILES NORTHEAST OF
BEDFORD...MOVING NORTH AT 15 MPH.

HAZARD...TORNADO AND QUARTER SIZE HAIL. 

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. 

LOCATIONS IMPACTED INCLUDE...
CONWAY.

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 4073 9464 4083 9463 4077 9447 4068 9456
TIME...MOT...LOC 2204Z 195DEG 14KT 4076 9456 

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

$$

COGIL
084 
WWUS53 KDMX 272222
SVSDMX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE DES MOINES IA
522 PM CDT WED APR 27 2016

IAC173-272231-
/O.EXP.KDMX.TO.W.0002.000000T0000Z-160427T2215Z/
TAYLOR IA-
522 PM CDT WED APR 27 2016

...THE TORNADO WARNING FOR NORTHEASTERN TAYLOR COUNTY HAS EXPIRED...
        
THE STORM WHICH PROMPTED THE WARNING HAS MOVED OUT OF THE AREA.
THEREFORE THE WARNING HAS BEEN ALLOWED TO EXPIRE.  HOWEVER...ANOTHER
TORNADO WARNING CONTINUES UNTIL 600 PM CDT.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 900 PM CDT FOR SOUTHWESTERN
IOWA.

TO REPORT SEVERE WEATHER...CONTACT YOUR NEAREST LAW ENFORCEMENT
AGENCY. THEY WILL RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE
DES MOINES .

LAT...LON 4073 9464 4083 9463 4077 9447 4068 9456
TIME...MOT...LOC 2220Z 206DEG 14KT 4076 9456 

$$

COGIL

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 27, 12:38 AM CDTSpecial Weather StatementDMXWayne37 min
Apr 27, 7:21 AM CDTRiver Flood WarningDMXTaylor32 hr
Apr 27, 3:57 PM CDTSevere Thunderstorm WarningDMXTaylor48 min
Apr 27, 3:59 PM CDTSevere Thunderstorm WarningDMXCass46 min
Apr 27, 5:14 PM CDTTornado WarningDMXAdams, Ringgold, Taylor, Union34 min
Apr 27, 5:28 PM CDTSpecial Weather StatementDMXCass92 min
Apr 27, 5:42 PM CDTSevere Thunderstorm WarningDMXAdair, Clarke, Madison, Ringgold, Union48 min
Apr 27, 5:45 PM CDTTornado Warning Tornado observedDMXAdair, Madison, Union27 min
Apr 27, 6:17 PM CDTSpecial Weather StatementDMXDecatur28 min
Apr 27, 6:40 PM CDTSpecial Weather StatementDMXClarke35 min

Nearby

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