Alert archive / Texas / Tornado Warnings in 2015

Tornado Warning 21, NWS Amarillo, TX

May 27, 2015Hemphill County, Texas

NWS Amarillo, TX issued this tornado warning at May 27, 2015, 4:51 PM CDT for Hemphill County, Texas. It was in force for 39 min. 3 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: May 27, 2015, 4:51 PM CDT (21:51 UTC)
Expired: May 27, 2015, 5:30 PM CDT
In force: 39 min
Issued by: NWS Amarillo, TX
Area: Storm-based polygon
Tornado: Radar indicated
Hail: 1.75 in

County Hemphill County, TX

The radar

The Amarillo radar (KAMA), 158 km from the middle of the area, began a volume at 21:51 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
May 27, 4:53 PM CDT	HAIL 1	5 Wsw Glazier, TX
May 27, 5:00 PM CDT	TORNADO	4 Nne Canadian, TX	MULTIPLE REPORTS OF TORNADO ONGOING VIA SPOTTERS
May 27, 5:07 PM CDT	HAIL 1.75	5 Wsw Glazier, TX

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
May 27, 2:46 PM CDT	Tornado Watch	SPC	10 hr

The nearest sounding before it

Amarillo Airport, TX (KAMA), launched 12:00Z, 9.9 hours before the alert went out and 157 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: 529 J/kg
Mixed-layer CIN: -131 J/kg
Mixed-layer LCL: 1642 m above ground
0-6 km bulk shear: 24 kt
0-1 km storm-relative helicity: 99 m²/s²
0-3 km storm-relative helicity: 187 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.7

Open this sounding in Storm Lab

The text

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

067 
WFUS54 KAMA 272151
TORAMA
TXC211-272230-
/O.NEW.KAMA.TO.W.0021.150527T2151Z-150527T2230Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE AMARILLO TX
451 PM CDT WED MAY 27 2015

THE NATIONAL WEATHER SERVICE IN AMARILLO HAS ISSUED A

* TORNADO WARNING FOR...
  NORTHERN HEMPHILL COUNTY IN THE PANHANDLE OF TEXAS...

* UNTIL 530 PM CDT

* AT 448 PM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A
  TORNADO WAS LOCATED 5 MILES NORTH OF CANADIAN...AND MOVING
  SOUTHEAST AT 25 MPH.

  HAZARD...TORNADO AND GOLF BALL SIZE HAIL.

  SOURCE...LIVE SPOTTER VIDEO OF 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...
  CANADIAN...           LAKE MARVIN...        GLAZIER...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW. MOVE TO 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 3600 10000 3574 10015 3596 10047 3606 10039
      3606 10031
TIME...MOT...LOC 2152Z 302DEG 23KT 3597 10033

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

$$

SIMPSON

2 follow-up statements

223 
WWUS54 KAMA 272201
SVSAMA

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE AMARILLO TX
501 PM CDT WED MAY 27 2015

TXC211-272230-
/O.CON.KAMA.TO.W.0021.000000T0000Z-150527T2230Z/
HEMPHILL TX-
501 PM CDT WED MAY 27 2015

...A TORNADO WARNING REMAINS IN EFFECT FOR NORTHERN HEMPHILL COUNTY
UNTIL 530 PM CDT...

AT 458 PM CDT...A CONFIRMED LARGE AND EXTREMELY DANGEROUS TORNADO WAS
LOCATED NEAR CANADIAN...AND MOVING SOUTHEAST AT 15 MPH.

THIS IS A PARTICULARLY DANGEROUS SITUATION.

HAZARD...DAMAGING TORNADO.

SOURCE...TRAINED WEATHER SPOTTER CONFIRMED TORNADO.

IMPACT...YOU ARE IN A LIFE THREATENING SITUATION. FLYING DEBRIS WILL
         BE DEADLY TO THOSE CAUGHT WITHOUT SHELTER. MOBILE HOMES WILL
         BE DESTROYED. CONSIDERABLE DAMAGE TO HOMES...BUSINESSES AND
         VEHICLES IS LIKELY AND COMPLETE DESTRUCTION POSSIBLE.

* LOCATIONS IMPACTED INCLUDE...
  CANADIAN...           LAKE MARVIN...        GLAZIER...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TO REPEAT...A LARGE...EXTREMELY DANGEROUS AND POTENTIALLY DEADLY
TORNADO IS ON THE GROUND. TO PROTECT YOUR LIFE...TAKE COVER NOW! MOVE
TO 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 3600 10000 3574 10015 3596 10047 3606 10039
      3606 10031
TIME...MOT...LOC 2201Z 301DEG 12KT 3597 10037

TORNADO...OBSERVED
TORNADO DAMAGE THREAT...CONSIDERABLE
HAIL...1.75IN

$$

SIMPSON

496 
WWUS54 KAMA 272212
SVSAMA

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE AMARILLO TX
512 PM CDT WED MAY 27 2015

TXC211-272230-
/O.CON.KAMA.TO.W.0021.000000T0000Z-150527T2230Z/
HEMPHILL TX-
512 PM CDT WED MAY 27 2015

...A TORNADO WARNING REMAINS IN EFFECT FOR NORTHERN HEMPHILL COUNTY
UNTIL 530 PM CDT...

AT 511 PM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO
WAS LOCATED 6 MILES NORTH OF CANADIAN...AND MOVING EAST AT 10 MPH.

HAZARD...TORNADO AND GOLF BALL SIZE HAIL.

SOURCE...SPOTTERS INDICATE TORNADO HAS LIFTED FOR NOW BUT ROTATION 
CONTINUES AND REDEVELOPMENT IS POSSIBLE.

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...
  CANADIAN...           LAKE MARVIN...        GLAZIER...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THIS STORM HAS A HISTORY OF PRODUCING TORNADOES. TAKE COVER IN A
BASEMENT OR STORM SHELTER NOW.

&&

LAT...LON 3600 10000 3574 10015 3596 10047 3606 10039
      3606 10031
TIME...MOT...LOC 2212Z 281DEG 7KT 3599 10038

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

$$

SIMPSON

The office that day

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

Issued	Product	Office	Counties	Lasted
May 27, 2:36 PM CDT	Severe Thunderstorm Warning	AMA	Lipscomb, Ochiltree, Roberts	24 min
May 27, 2:58 PM CDT	Severe Thunderstorm Warning	AMA	Hemphill, Lipscomb, Ochiltree, Roberts	62 min
May 27, 3:23 PM CDT	Tornado Warning	AMA	Hemphill, Lipscomb, Ochiltree, Roberts	52 min
May 27, 3:46 PM CDT	Flash Flood Warning	AMA	Hemphill, Lipscomb, Ochiltree, Roberts	3 hr
May 27, 3:53 PM CDT	Special Weather Statement	AMA	Armstrong	67 min
May 27, 4:06 PM CDT	Severe Thunderstorm Warning	AMA	Armstrong, Donley	54 min
May 27, 4:15 PM CDT	Severe Thunderstorm Warning	AMA	Hemphill, Lipscomb, Ochiltree, Roberts	60 min
May 27, 4:44 PM CDT	Severe Thunderstorm Warning	AMA	Hemphill, Lipscomb	91 min
May 27, 4:47 PM CDT	Severe Thunderstorm Warning	AMA	Armstrong, Carson, Donley, Gray	58 min
May 27, 5:07 PM CDT	Special Weather Statement	AMA	Armstrong	53 min
May 27, 5:21 PM CDT	Severe Thunderstorm Warning	AMA	Hemphill, Lipscomb, Roberts	54 min
May 27, 5:29 PM CDT	Severe Thunderstorm Warning	AMA	Carson, Gray, Roberts	53 min
May 27, 5:31 PM CDT	Tornado Warning	AMA	Hemphill, Lipscomb	44 min
May 27, 5:35 PM CDT	Flash Flood Warning	AMA	Armstrong	3 hr
May 27, 5:41 PM CDT	Severe Thunderstorm Warning	AMA	Carson, Hutchinson	49 min
May 27, 5:42 PM CDT	Severe Thunderstorm Warning	AMA	Armstrong	63 min
May 27, 5:51 PM CDT	Severe Thunderstorm Warning	AMA	Hansford, Hutchinson, Lipscomb, Ochiltree, Roberts	69 min
May 27, 5:59 PM CDT	Severe Thunderstorm Warning	AMA	Armstrong, Randall	61 min
May 27, 6:12 PM CDT	Tornado Warning	AMA	Hemphill, Lipscomb	48 min
May 27, 6:36 PM CDT	Areal Flood Advisory	AMA	Hartley, Oldham	3 hr
May 27, 6:48 PM CDT	Special Weather Statement	AMA	Armstrong	57 min
May 27, 6:50 PM CDT	Flash Flood Warning	AMA	Hemphill, Lipscomb, Ochiltree, Roberts	3 hr
May 27, 6:57 PM CDT	Tornado Warning	AMA	Hemphill, Lipscomb	48 min

Nearby

Tornado Warnings in Texas, 2015 Every tornado warning in 2015 Tornadoes in 2015

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.