Alert archive / Texas / Severe Thunderstorm Warnings in 2016

Severe Thunderstorm Warning 86, NWS Austin/San Antonio, TX

April 27, 20165 counties in Texas

NWS Austin/San Antonio, TX issued this severe thunderstorm warning at Apr 27, 2016, 12:21 AM CDT for 5 counties in Texas. It was in force for 69 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, 12:21 AM CDT (05:21 UTC)
Expired: Apr 27, 2016, 1:30 AM CDT
In force: 69 min
Issued by: NWS Austin/San Antonio, TX
Area: Storm-based polygon
Hail: 1.25 in
Wind: 60.0 mph

Counties Edwards County, TX, Gillespie County, TX, Kerr County, TX, Real County, TX, Val Verde County, TX

The radar

The Laughlin AFB radar (KDFX), 110 km from the middle of the area, began a volume at 05:25 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, 1:20 AM CDT	TSTM WND DMG	2 Sse Harper, TX	LARGE TREES DOWNED BY WIND GUSTS NEAR NORTH RANCH ROAD 783 AND LANGE 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
Apr 26, 10:21 PM CDT	Severe Thunderstorm Watch	SPC	9 hr

The nearest sounding before it

Del Rio, TX (KDLF), launched 00:00Z, 5.4 hours before the alert went out and 135 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: 2806 J/kg
Mixed-layer CIN: -124 J/kg
Mixed-layer LCL: 1552 m above ground
0-6 km bulk shear: 57 kt
0-1 km storm-relative helicity: 161 m²/s²
0-3 km storm-relative helicity: 322 m²/s²
Significant tornado parameter: 0.8
Supercell composite: 17.9

Open this sounding in Storm Lab

The text

As transmitted.

374 
WUUS54 KEWX 270521
SVREWX
TXC137-171-265-385-465-270630-
/O.NEW.KEWX.SV.W.0086.160427T0521Z-160427T0630Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
1221 AM CDT WED APR 27 2016

THE NATIONAL WEATHER SERVICE IN AUSTIN SAN ANTONIO HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  WESTERN GILLESPIE COUNTY IN SOUTH CENTRAL TEXAS...
  EAST CENTRAL VAL VERDE COUNTY IN SOUTH CENTRAL TEXAS...
  NORTHERN KERR COUNTY IN SOUTH CENTRAL TEXAS...
  CENTRAL EDWARDS COUNTY IN SOUTH CENTRAL TEXAS...
  NORTHERN REAL COUNTY IN SOUTH CENTRAL TEXAS...

* UNTIL 130 AM CDT

* AT 1221 AM CDT...SEVERE THUNDERSTORMS WERE LOCATED ALONG A LINE
  EXTENDING FROM NEAR YATES CROSSING TO NEAR TELEGRAPH TO 16 MILES
  NORTHWEST OF ROCKSPRINGS...MOVING SOUTHEAST AT 30 MPH.

  HAZARD...60 MPH WIND GUSTS AND HALF DOLLAR SIZE HAIL. 

  SOURCE...RADAR INDICATED. 

  IMPACT...HAIL DAMAGE TO VEHICLES IS EXPECTED. EXPECT WIND DAMAGE 
           TO ROOFS...SIDING...AND TREES. 

* LOCATIONS IMPACTED INCLUDE...
  KERRVILLE...ROCKSPRINGS...LOMA ALTA...HUNT...INGRAM...WALTONIA...KERR
  WILDLIFE MANAGEMENT AREA...CARTA VALLEY...MOUNTAIN HOME...TIVYDALE...
  DOSS...HARPER...CHERRY SPRING...PRADE RANCH...US-377 NEAR THE KIMBLE-
  EDWARDS COUNTY LINE...US-83 NEAR THE KERR-KIMBLE COUNTY LINE...I-
  10 NEAR THE KIMBLE-
  KERR COUNTY LINE...VINEGARONE...DEVILS SINKHOLE STATE NATURAL AREA
  AND THE INTERSECTION OF I-10 AND US 290.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
BUILDING.

LARGE HAIL AND DAMAGING WINDS AND CONTINUOUS CLOUD TO GROUND
LIGHTNING IS OCCURRING WITH THESE STORMS. MOVE INDOORS IMMEDIATELY.
LIGHTNING IS ONE OF NATURES LEADING KILLERS. REMEMBER...IF YOU CAN
HEAR THUNDER...YOU ARE CLOSE ENOUGH TO BE STRUCK BY LIGHTNING.

&&

LAT...LON 3050 9897 3016 9897 3004 9924 2991 9965
      2983 10016 2979 10068 2999 10102 3003 10054
      3018 10011 3029 10011 3029 9930 3050 9930
TIME...MOT...LOC 0521Z 292DEG 32KT 3057 9967 3034 10000 3021 10036 

HAIL...1.25IN
WIND...60MPH
 
$$

ALLEN

1 follow-up statement

689 
WWUS54 KEWX 270612
SVSEWX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
112 AM CDT WED APR 27 2016

TXC465-270621-
/O.CAN.KEWX.SV.W.0086.000000T0000Z-160427T0630Z/
VAL VERDE TX-
112 AM CDT WED APR 27 2016

...THE SEVERE THUNDERSTORM WARNING FOR EAST CENTRAL VAL VERDE COUNTY
IS CANCELLED...

THE STORMS WHICH PROMPTED THE WARNING HAVE WEAKENED. THEREFORE THE
WARNING HAS BEEN CANCELLED.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 500 AM CDT FOR
SOUTH CENTRAL TEXAS.

LAT...LON 3050 9897 3016 9897 3004 9924 2991 9965
      2983 10016 2980 10070 3002 10070 3003 10054
      3018 10011 3029 10011 3029 9930 3050 9930
TIME...MOT...LOC 0611Z 270DEG 32KT 3040 9896 3017 9929 3005 9965 

$$

TXC137-171-265-385-270630-
/O.CON.KEWX.SV.W.0086.000000T0000Z-160427T0630Z/
GILLESPIE TX-KERR TX-EDWARDS TX-REAL TX-
112 AM CDT WED APR 27 2016

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 130 AM CDT
FOR WESTERN GILLESPIE...NORTHERN KERR...CENTRAL EDWARDS AND NORTHERN
REAL COUNTIES...

AT 111 AM CDT...SEVERE THUNDERSTORMS WERE LOCATED ALONG A LINE
EXTENDING FROM HILLTOP TO NEAR MOUNTAIN HOME TO 9 MILES WEST OF KERR
WILDLIFE MANAGEMENT AREA...MOVING EAST AT 35 MPH.

HAZARD...60 MPH WIND GUSTS AND QUARTER SIZE HAIL. 

SOURCE...RADAR INDICATED. 

IMPACT...HAIL DAMAGE TO VEHICLES IS EXPECTED. EXPECT WIND DAMAGE TO 
         ROOFS...SIDING...AND TREES. 

LOCATIONS IMPACTED INCLUDE...
KERRVILLE...ROCKSPRINGS...HUNT...INGRAM...WALTONIA...KERR WILDLIFE
MANAGEMENT AREA...MOUNTAIN HOME...TIVYDALE...DOSS...HARPER...CHERRY
SPRING...CARTA VALLEY...PRADE RANCH...US-377 NEAR THE KIMBLE-
EDWARDS COUNTY LINE...US-83 NEAR THE KERR-KIMBLE COUNTY LINE...I-
10 NEAR THE KIMBLE-
KERR COUNTY LINE...DEVILS SINKHOLE STATE NATURAL AREA AND THE
INTERSECTION OF I-10 AND US 290.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
BUILDING.

LARGE HAIL AND DAMAGING WINDS AND CONTINUOUS CLOUD TO GROUND
LIGHTNING IS OCCURRING WITH THESE STORMS. MOVE INDOORS IMMEDIATELY.
LIGHTNING IS ONE OF NATURES LEADING KILLERS. REMEMBER...IF YOU CAN
HEAR THUNDER...YOU ARE CLOSE ENOUGH TO BE STRUCK BY LIGHTNING.

&&

LAT...LON 3050 9897 3016 9897 3004 9924 2991 9965
      2983 10016 2980 10070 3002 10070 3003 10054
      3018 10011 3029 10011 3029 9930 3050 9930
TIME...MOT...LOC 0611Z 270DEG 32KT 3040 9896 3017 9929 3005 9965 

HAIL...1.00IN
WIND...60MPH
 
$$

ALLEN

The office that day

Everything else NWS Austin/San Antonio, TX issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Apr 26, 11:12 PM CDT	Special Weather Statement	EWX	Val Verde	33 min
Apr 26, 11:33 PM CDT	Severe Thunderstorm Warning	EWX	Edwards, Val Verde	72 min
Apr 26, 11:44 PM CDT	Special Weather Statement	EWX	Burnet	46 min
Apr 27, 12:05 AM CDT	Special Weather Statement	EWX	Burnet	40 min
Apr 27, 12:25 AM CDT	Severe Thunderstorm Warning	EWX	Burnet	50 min
Apr 27, 12:48 AM CDT	Special Weather Statement	EWX	Edwards	42 min
Apr 27, 12:57 AM CDT	Severe Thunderstorm Warning	EWX	Gillespie, Llano	63 min
Apr 27, 1:11 AM CDT	Special Weather Statement	EWX	Williamson	64 min
Apr 27, 1:23 AM CDT	Severe Thunderstorm Warning	EWX	Blanco, Burnet, Gillespie	67 min
Apr 27, 1:34 AM CDT	Special Weather Statement	EWX	Bandera, Kendall, Real	41 min
Apr 27, 1:41 AM CDT	Severe Thunderstorm Warning	EWX	Kendall, Kerr	64 min
Apr 27, 2:04 AM CDT	Severe Thunderstorm Warning	EWX	Bastrop, Bexar, Caldwell, Comal, Guadalupe, Hays and 2 more	56 min
Apr 27, 2:11 AM CDT	Special Weather Statement	EWX	Bexar, Medina, Uvalde	64 min
Apr 27, 2:26 AM CDT	Special Weather Statement	EWX	Uvalde	49 min
Apr 27, 2:30 AM CDT	Special Weather Statement	EWX	Williamson	45 min
Apr 27, 3:01 AM CDT	Special Weather Statement	EWX	Atascosa, Bastrop, Bexar, Caldwell, Fayette, Frio and 8 more	59 min
Apr 27, 3:39 AM CDT	Special Weather Statement	EWX	Caldwell	36 min
Apr 27, 3:44 AM CDT	Special Weather Statement	EWX	Medina	31 min
Apr 27, 3:57 AM CDT	Special Weather Statement	EWX	Atascosa, Bastrop, Bexar, Caldwell, Comal, DeWitt and 8 more	63 min
Apr 27, 4:34 AM CDT	Special Weather Statement	EWX	Atascosa	56 min
Apr 27, 4:35 AM CDT	Special Weather Statement	EWX	Guadalupe, Wilson	55 min
Apr 27, 4:43 AM CDT	Severe Thunderstorm Warning	EWX	Atascosa, Bexar, Frio, Medina	25 min
Apr 27, 4:53 AM CDT	Special Weather Statement	EWX	Wilson	37 min
Apr 27, 5:04 AM CDT	Special Weather Statement	EWX	Guadalupe	41 min
Apr 27, 5:37 AM CDT	Special Weather Statement	EWX	Atascosa	38 min
Apr 27, 6:19 AM CDT	Special Weather Statement	EWX	Karnes	56 min
Apr 27, 7:15 AM CDT	Special Weather Statement	EWX	Karnes	30 min

Nearby

Severe Thunderstorm Warnings in Texas, 2016 Every severe thunderstorm warning 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.