Alert archive / Texas / Tornado Warnings in 2016

Tornado Warning 29, NWS Amarillo, TX

September 17, 20164 counties in Texas

NWS Amarillo, TX issued this tornado warning at Sep 17, 2016, 9:39 PM CDT for 4 counties in Texas. It was in force for 34 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
Sep 17, 2016, 9:39 PM CDT (02:39 UTC)
Expired
Sep 17, 2016, 10:13 PM CDT
In force
34 min
Issued by
NWS Amarillo, TX
Area
Storm-based polygon
Tornado
Radar indicated
Hail
1.75 in

Counties Hartley County, TX, Moore County, TX, Oldham County, TX, Potter County, TX

The radar

The Amarillo radar (KAMA), 51 km from the middle of the area, began a volume at 02:39 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
Sep 17, 9:41 PM CDTTORNADO6 Wnw Four Way, TXROPE TORNADO TOUCHED DOWN BRIEFLY TWO TIMES IN RAPID SUCCESSION
Sep 17, 9:47 PM CDTTORNADO1 Wsw Four Way, TXNWS SURVEY TEAM FOUND 1.2 MILE LONG DAMAGE PATH. SHED DESTROYED... WIDESPREAD TREE DAMAGE... ROOF DAMAGE TO A MOBILE HOME.

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
Sep 17, 3:19 PM CDTSevere Thunderstorm WatchSPC10 hr

The nearest sounding before it

Amarillo Airport, TX (KAMA), launched 00:00Z, 2.7 hours before the alert went out and 52 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, Amarillo Airport, TX at 00:00Z on 2016-09-18Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1905 joules per kilogram.LCLEL10008507005003002001001 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, Amarillo Airport, TX at 00:00Z on 2016-09-18The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 55 square meters per square second.1939587897117Sfc1 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
1905 J/kg
Mixed-layer CIN
-2 J/kg
Mixed-layer LCL
1075 m above ground
0-6 km bulk shear
38 kt
0-1 km storm-relative helicity
55 m²/s²
0-3 km storm-relative helicity
144 m²/s²
Significant tornado parameter
1.0
Supercell composite
7.7

Open this sounding in Storm Lab

The text

As transmitted.

301 
WFUS54 KAMA 180239
TORAMA
TXC205-341-359-375-180330-
/O.NEW.KAMA.TO.W.0029.160918T0239Z-160918T0330Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE AMARILLO TX
939 PM CDT SAT SEP 17 2016

THE NATIONAL WEATHER SERVICE IN AMARILLO HAS ISSUED A

* TORNADO WARNING FOR...
  SOUTHEASTERN HARTLEY COUNTY IN THE PANHANDLE OF TEXAS...
  SOUTHERN MOORE COUNTY IN THE PANHANDLE OF TEXAS...
  NORTHWESTERN POTTER COUNTY IN THE PANHANDLE OF TEXAS...
  NORTHEASTERN OLDHAM COUNTY IN THE PANHANDLE OF TEXAS...

* UNTIL 1030 PM CDT
    
* AT 938 PM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A
  TORNADO WAS LOCATED 10 MILES EAST OF CHANNING...OR 16 MILES
  SOUTHWEST OF DUMAS...MOVING SOUTHEAST AT 30 MPH.

  HAZARD...TORNADO AND GOLF BALL 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...
  VALLEY DE ORO...MASTERSON AND FOUR WAY. 

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 3560 10227 3579 10213 3579 10174 3546 10179
      3540 10207
TIME...MOT...LOC 0238Z 309DEG 25KT 3568 10215 

TORNADO...RADAR INDICATED
HAIL...1.75IN

$$

LG
4 follow-up statements
342 
WWUS54 KAMA 180247
SVSAMA

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE AMARILLO TX
947 PM CDT SAT SEP 17 2016

TXC205-341-359-375-180330-
/O.CON.KAMA.TO.W.0029.000000T0000Z-160918T0330Z/
HARTLEY TX-MOORE TX-POTTER TX-OLDHAM TX-
947 PM CDT SAT SEP 17 2016

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1030 PM CDT FOR
SOUTHEASTERN HARTLEY...SOUTHERN MOORE...NORTHWESTERN POTTER AND
NORTHEASTERN OLDHAM COUNTIES...
    
AT 946 PM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO
WAS LOCATED NEAR FOUR WAY...OR 10 MILES SOUTH OF DUMAS...MOVING EAST
AT 35 MPH.

HAZARD...TORNADO AND GOLF BALL 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...
VALLEY DE ORO...MASTERSON AND FOUR WAY. 

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 3560 10227 3579 10213 3579 10174 3546 10179
      3540 10207
TIME...MOT...LOC 0246Z 284DEG 30KT 3572 10202 

TORNADO...RADAR INDICATED
HAIL...1.75IN

$$

LG
997 
WWUS54 KAMA 180256
SVSAMA

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE AMARILLO TX
956 PM CDT SAT SEP 17 2016

TXC205-359-180305-
/O.CAN.KAMA.TO.W.0029.000000T0000Z-160918T0330Z/
HARTLEY TX-OLDHAM TX-
956 PM CDT SAT SEP 17 2016

...THE TORNADO WARNING FOR SOUTHEASTERN HARTLEY AND NORTHEASTERN
OLDHAM COUNTIES IS CANCELLED...
    
THE TORNADIC THUNDERSTORM WHICH PROMPTED THE WARNING HAS MOVED OUT
OF THE WARNED AREA. THEREFORE THE WARNING HAS BEEN CANCELLED.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 1100 PM CDT FOR
THE PANHANDLE OF TEXAS.

LAT...LON 3549 10211 3554 10216 3574 10216 3579 10213
      3579 10174 3546 10179
TIME...MOT...LOC 0255Z 279DEG 30KT 3568 10193 

$$

TXC341-375-180330-
/O.CON.KAMA.TO.W.0029.000000T0000Z-160918T0330Z/
MOORE TX-POTTER TX-
956 PM CDT SAT SEP 17 2016

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1030 PM CDT FOR SOUTHERN
MOORE AND NORTHWESTERN POTTER COUNTIES...
    
AT 955 PM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO
WAS LOCATED OVER FOUR WAY...OR 12 MILES SOUTH OF DUMAS...MOVING EAST
AT 35 MPH.

HAZARD...TORNADO AND GOLF BALL 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...
MASTERSON AND FOUR WAY. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TORNADOES ARE EXTREMELY DIFFICULT TO SEE AND CONFIRM AT NIGHT. DO NOT
WAIT TO SEE OR HEAR THE TORNADO. TAKE COVER NOW!

&&

LAT...LON 3549 10211 3554 10216 3574 10216 3579 10213
      3579 10174 3546 10179
TIME...MOT...LOC 0255Z 279DEG 30KT 3568 10193 

TORNADO...RADAR INDICATED
HAIL...1.75IN

$$

LG
911 
WWUS54 KAMA 180307
SVSAMA

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE AMARILLO TX
1007 PM CDT SAT SEP 17 2016

TXC341-375-180330-
/O.CON.KAMA.TO.W.0029.000000T0000Z-160918T0330Z/
MOORE TX-POTTER TX-
1007 PM CDT SAT SEP 17 2016

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1030 PM CDT FOR SOUTHERN
MOORE AND NORTH CENTRAL POTTER COUNTIES...
    
AT 1006 PM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO
WAS LOCATED 7 MILES EAST OF MASTERSON...OR 18 MILES SOUTHEAST OF
DUMAS...MOVING SOUTHEAST AT 35 MPH.

HAZARD...TORNADO AND GOLF BALL 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...
MASTERSON AND FOUR WAY. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TORNADOES ARE EXTREMELY DIFFICULT TO SEE AND CONFIRM AT NIGHT. DO NOT
WAIT TO SEE OR HEAR THE TORNADO. TAKE COVER NOW!

&&

LAT...LON 3549 10200 3560 10212 3572 10206 3579 10199
      3579 10174 3551 10180
TIME...MOT...LOC 0306Z 297DEG 29KT 3563 10182 

TORNADO...RADAR INDICATED
HAIL...1.75IN

$$

LG
118 
WWUS54 KAMA 180313
SVSAMA

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE AMARILLO TX
1013 PM CDT SAT SEP 17 2016

TXC341-375-180322-
/O.CAN.KAMA.TO.W.0029.000000T0000Z-160918T0330Z/
MOORE TX-POTTER TX-
1013 PM CDT SAT SEP 17 2016

...THE TORNADO WARNING FOR SOUTHERN MOORE AND NORTH CENTRAL POTTER
COUNTIES IS CANCELLED...
    
THE TORNADO THREAT HAS DIMINISHED AND THE TORNADO WARNING HAS BEEN
CANCELLED. HOWEVER...LARGE HAIL AND DAMAGING WINDS REMAIN LIKELY AND
A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR THE AREA.
HOWEVER SMALL HAIL AND GUSTY WINDS ARE STILL POSSIBLE WITH THIS
THUNDERSTORM.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 1100 PM CDT FOR
THE PANHANDLE OF TEXAS.

REMEMBER...A SEVERE THUNDERSTORM WARNING STILL REMAINS IN EFFECT FOR
MOORE AND POTTER COUNTIES UNTIL 1145 PM CDT.

LAT...LON 3549 10200 3560 10212 3572 10206 3579 10199
      3579 10174 3551 10180
TIME...MOT...LOC 0311Z 309DEG 25KT 3560 10178 

$$

LG

The office that day

Everything else NWS Amarillo, TX issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Sep 17, 7:17 PM CDTSpecial Weather StatementAMADeaf Smith58 min
Sep 17, 8:27 PM CDTSevere Thunderstorm WarningAMADallam, Hartley, Moore, Sherman93 min
Sep 17, 9:14 PM CDTSpecial Weather StatementAMAHansford61 min
Sep 17, 9:22 PM CDTAreal Flood AdvisoryAMADallam, Hartley53 min
Sep 17, 10:11 PM CDTSevere Thunderstorm WarningAMACarson, Hutchinson, Moore, Potter94 min
Sep 17, 10:25 PM CDTSpecial Weather StatementAMARoberts65 min
Sep 17, 11:05 PM CDTSpecial Weather StatementAMAHemphill55 min
Sep 17, 11:43 PM CDTSevere Thunderstorm WarningAMACarson, Gray38 min
Sep 18, 12:20 AM CDTSpecial Weather StatementAMAWheeler25 min

Nearby

Tornado Warnings in Texas, 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.