Alert archive / Texas / Flash Flood Warnings in 2015

Flash Flood Warning 15, NWS Houston/Galveston, TX

April 17, 2015Colorado County, Jackson County, Wharton County, Texas

NWS Houston/Galveston, TX issued this flash flood warning at Apr 17, 2015, 6:14 PM CDT for Colorado County, Jackson County, Wharton County, Texas. It was in force for 2 hr. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
Apr 17, 2015, 6:14 PM CDT (23:14 UTC)
Expired
Apr 17, 2015, 8:15 PM CDT
In force
2 hr
Issued by
NWS Houston/Galveston, TX
Area
Storm-based polygon
Flood severity
None

Counties Colorado County, TX, Jackson County, TX, Wharton County, TX

The radar

The Houston radar (KHGX), 149 km from the middle of the area, began a volume at 23:15 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.

Did it verify

Not verified. The Iowa Environmental Mesonet's Cow found no qualifying storm report inside this flash flood warning while it was in force. That is not proof nothing happened: reports are thin where few people live.

Cow counts a report within 15 km of the polygon while the warning was in force: a tornado for a tornado warning; hail of 1 inch or more, a gust of 58 mph or more or wind damage for a severe thunderstorm warning; a flash flood report for a flash flood warning.

The nearest sounding before it

Corpus Christi, TX (KCRP), launched 12:00Z, 11.2 hours before the alert went out and 176 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, Corpus Christi, TX at 12:00Z on 2015-04-17Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 854 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Corpus Christi, TX at 12:00Z on 2015-04-17The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 89 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
854 J/kg
Mixed-layer CIN
-117 J/kg
Mixed-layer LCL
525 m above ground
0-6 km bulk shear
51 kt
0-1 km storm-relative helicity
89 m²/s²
0-3 km storm-relative helicity
110 m²/s²
Significant tornado parameter
0.2
Supercell composite
4.2

Open this sounding in Storm Lab

The text

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

835 
WGUS54 KHGX 172314
FFWHGX
TXC089-239-481-180115-
/O.NEW.KHGX.FF.W.0015.150417T2314Z-150418T0115Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX
614 PM CDT FRI APR 17 2015

THE NATIONAL WEATHER SERVICE IN LEAGUE CITY  HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  SOUTH CENTRAL COLORADO COUNTY IN SOUTHEASTERN TEXAS...
  SOUTHWESTERN WHARTON COUNTY IN SOUTHEASTERN TEXAS...
  CENTRAL JACKSON COUNTY IN SOUTH CENTRAL TEXAS...

* UNTIL 815 PM CDT
    
* AT 613 PM CDT...DOPPLER RADAR INDICATED A THUNDERSTORM PRODUCING 
  HEAVY RAIN ACROSS THE WARNED AREA. 2.5 TO 3 INCHES OF RAIN HAVE 
  FALLEN. FLASH FLOODING IS EXPECTED TO BEGIN SHORTLY.

* SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
  EL CAMPO...EDNA...GANADO...PIERCE...EGYPT...MORALES...LOUISE...
  GARWOOD...CORDELE AND NADA.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

MOVE TO HIGHER GROUND NOW. ACT QUICKLY TO PROTECT YOUR LIFE.

TURN AROUND...DONT DROWN WHEN ENCOUNTERING FLOODED ROADS. MOST FLOOD
DEATHS OCCUR IN VEHICLES.

PLEASE REPORT FLOODING TO YOUR LOCAL LAW ENFORCEMENT AGENCY WHEN YOU
CAN DO SO SAFELY.

&&

LAT...LON 2933 9657 2933 9656 2942 9664 2944 9662
      2946 9626 2937 9614 2920 9617 2901 9635
      2882 9671 2885 9670 2889 9673 2892 9679
      2902 9683 2906 9694

$$

40

What forecasters said that day

The local office's own words before this flash flood warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Houston/Galveston, TX wrote its last area forecast discussion before this flash flood warning went out at Apr 17, 3:54 PM CDT, 2 hours 20 minutes earlier.

Area forecast discussion, Apr 17, 3:54 PM CDT, 2 hours 20 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX
354 PM CDT FRI APR 17 2015

.DISCUSSION...
THE SLOW PROGRESSION OF THE ONCE FOUR CORNERS CENTERED UPPER LOW
HAS PLACED EASTERN TEXAS UNDER A FAVORABLE UPPER LEVEL PATTERN FOR
A RETURN OF EVENING STRONG TO SEVERE THUNDERSTORM ACTIVITY. CIRRUS
FROM SOUTH CENTRAL TEXAS CONVECTIVE BLOW-OFF HAS PUT A CAP ON
AFTERNOON WARMTH WITH MANY IN THE UPPER 70S TO NEAR 80 F AT THIS
HOUR. SURFACE ANALYSIS SHOWS WHAT APPEARS TO BE A WARM FRONT
DRAPED ACROSS THE NORTHERN THIRD OF THE FORECAST AREA. ORGANIZED
STRONG CONVECTION MOVING SOUTH OF SAN ANTONIO HAS A BEE-LINE FOR
OUR WESTERN COUNTIES...DISCRETE CELLS FIRING AHEAD OF THE MAIN
MESOCOMPLEX WILL LIKELY BEGIN AFFECTING OUR MORE WESTERN COMMUNITIES
AFTER 5 PM...WITH THE BULK OF THE STRONGEST CONVECTION AFFECTING
THE MOST OF THE POPULOUS BETWEEN 6 AND 11 PM TONIGHT. A LARGE MCS
OR QLCS IS FORECAST TO AFFECT THE AREA TONIGHT. THE MAIN THREATS
APPEAR TO BE DAMAGING STORM WINDS (NEAR 30 KT MCS SPEED/AMPLE MID-
LEVEL DRY AIR...INVERTED V STRUCTURE PER RECENT TAMU AND PROG
SOUNDINGS) AND TRAINING CORE RAINS THAT WOULD INDUCE AREAWIDE
FLOODING. RECENT RAIN HAS SATURATED THE SOILS...ESPECIALLY OVER
THE SOUTHERN THIRD COUNTIES...AND IT WON'T TAKE MUCH MORE THAN A
QUICK INCH OR TWO TO INITIATE FLASH FLOODING. WHEN CONSIDERING THE
HIGHEST RAINFALL TOTALS IN TANDEM PRECEDENT RELATIVE SOIL MOISTURE
...THE HIGHEST AT-RISK COUNTIES WILL BE OUR COASTAL COUNTIES
INCLUDING FORT BEND...HARRIS AND LIBERTY. SECONDARY THREATS WILL
BE LARGE HAIL (PER LOW WBZ HEIGHTS) WITHIN QUICK PULSERS AND
ISOLATED TORNADOES WITHIN THE STRONGEST CELLS THAT MAY SPLIT OR
EVOLVE INTO RIGHT MOVERS. IN USING ANALOG FROM LAST NIGHT...THE
STRONGEST CELLS WILL EXHIBIT RAPIDLY EVOLVING UPDRAFT STRUCTURE...
EFFICIENT (SE) INFLOW...AND WEAK ROTATION UP THROUGH THE LOWER
FEW THOUSAND FEET.

THE UPPER LOW WILL MOVE INTO THE SOUTHERN PLAINS SATURDAY...WITH
A SERIES OF SHORTWAVE DISTURBANCES PASSING ACROSS EASTERN TEXAS.
MOISTURE VALUES ARE STILL HIGH AND THERMO PROFILES REMAINING UNSTABLE
...WITH THE SOUTHERN BRANCH OF JET STILL RACING ACROSS THE REGION
PROVIDING THE NEEDED DIFFULENCE FOR RETURN RAIN/STORMS SATURDAY.
THE 5H TROUGH AXIS WILL SWING THROUGH ON SUNDAY...KICKING OFF A
COUPLE OF DAYS OF MUCH DRIER WEATHER. A (DRY PASSAGE) COLD FRONT
WILL PASS OVER AND BE OFF THE COAST LATE SUNDAY INTO EARLY MONDAY.
BACKING HIGH PRESSURE...ALONG WITH THE DRIER AIR MASS...WILL CLEAR
SKIES OUT A BIT AND HAVE MORNINGS COOLING INTO THE INTERIOR UPPER
50S TO LOWER 60S/COASTAL MID 60S...COMFORTABLE AFTERNOONS WILL
WARM UP INTO THE UPPER 70S TO LOWER 80S.

PRECIPITATION PROBABILITIES INCREASE TUESDAY MORNING THROUGH WEDNESDAY
AS WESTERLY FLOW BACKS MORE SOUTHWEST IN RESPONSE TO THE NEXT EVOLVING
SOUTHERN CALIFORNIA/BAJA UPPER LOW. THE PERIOD ENDS WITH RELATIVELY
HIGHER POPS AS THIS SLOW-MOVING WESTERN CONUS SYSTEM WORKS ITS WAY
INTO THE DESERT SOUTHWEST BY LATE WEEK. DESPITE THE INCREASING OVERCAST
AND INTERMITTENT RAIN EPISODES...A WARM AIR ADVECTION PATTERN WILL
HAVE MORNINGS COMING IN IN THE UPPER 60S AND AFTERNOONS WARMING
INTO THE AVERAGE LOW TO MIDDLE 80S. 31

&&

.MARINE...
SEAS ARE STILL SLIGHTLY ELEVATED FROM LAST NIGHTS CONVECTIVE
COMPLEX BUT SEAS WILL CONTINUE TO SUBSIDE THIS AFTERNOON. E-SE
WINDS WILL BECOME SE IN RESPONSE TO LOWERING PRESSURES OVER THE
LEE OF THE ROCKIES. THE NEXT ROUND OF THUNDERSTORMS IS EXPECTED
OVER THE COASTAL WATERS THIS EVENING AND INTO THE OVERNIGHT HOURS
AS A THUNDERSTORM COMPLEX DEVELOPS OVER CENTRAL TEXAS AND PUSHES
EAST TOWARDS THE GULF... WITH A SECOND THUNDERSTORM COMPLEX
POSSIBLY REACHING THE COASTAL WATERS AGAIN ON SATURDAY AFTERNOON
AND EVENING. FREQUENT LIGHTNING...STRONG WINDS...AND HEAVY RAIN
WILL BE POSSIBLE WITH ANY THUNDERSTORM.

AN ONSHORE FLOW WILL PERSIST THROUGH THE WEEKEND WITH HIGH PRESSURE
OVER THE EASTERN GULF AND LOW PRESSURE OVER THE HIGH PLAINS. A COLD
FRONT WILL MOVE ACROSS THE COASTAL WATERS SUNDAY NIGHT. THE OFFSHORE
FLOW WILL BE SHORT-LIVED IN THE WAKE OF THIS FRONT HOWEVER... WITH
AN EASTERLY FETCH IN PLACE BY TUESDAY AS SURFACE HIGH PRESSURE
SLIDES OVER THE SOUTHEASTERN CONUS. 43

&&

.CLIMATE...
IT HAS BEEN WET OVER THE LAST SEVEN DAYS BUT IT HAS BEEN VERY WET
SINCE MATCH 1ST. RAINFALL BETWEEN MAR 1 AND APR 16 FOR THE CITY OF
HOUSTON HAS BEEN 10.48 INCHES. THIS IS THE SEVENTH WETTEST MAR 1
THRU APR 16TH IN CITY HISTORY. THE WETTEST SUCH PERIOD WAS BACK IN
1922 WITH 14.42 INCHES OF RAIN. HOBBY AIRPORT HAS RECEIVED 10.51
INCHES OF RAIN BETWEEN MAR 1 THRU APR 15TH. THIS IS THE 2ND
WETTEST SUCH PERIOD FOR HOBBY. THE WETTEST MAR 1 THRU APR 16TH
OCCURRED IN 1957 WITH 14.29 INCHES OF RAIN. 43

&&

.PRELIMINARY POINT TEMPS/POPS...
COLLEGE STATION (CLL)      66  78  63  83  59 /  80  50  20  20  10
HOUSTON (IAH)              68  79  65  84  63 /  90  60  20  20  20
GALVESTON (GLS)            71  78  70  78  68 /  80  50  30  20  20

&&

.HGX WATCHES/WARNINGS/ADVISORIES...
TX...FLASH FLOOD WATCH THROUGH SATURDAY MORNING FOR THE FOLLOWING
     ZONES: AUSTIN...BRAZORIA...BRAZOS...BURLESON...CHAMBERS...
     COLORADO...FORT BEND...GALVESTON...GRIMES...HARRIS...
     HOUSTON...JACKSON...LIBERTY...MADISON...MATAGORDA...
     MONTGOMERY...POLK...SAN JACINTO...TRINITY...WALKER...
     WALLER...WASHINGTON...WHARTON.

GM...NONE.
&&

DISCUSSION...31
Hazardous weather outlook, Apr 17, 4:07 PM CDT, 2 hours 7 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX
407 PM CDT FRI APR 17 2015

GMZ330-335-350-355-370-375-TXZ163-164-176>179-195>200-210>214-226-
227-235>238-182115-
AUSTIN-BRAZORIA-BRAZOS-BURLESON-CHAMBERS-COLORADO-FORT BEND-
GALVESTON-GALVESTON BAY-GRIMES-HARRIS-HOUSTON-JACKSON-LIBERTY-
MADISON-MATAGORDA-MATAGORDA BAY-MONTGOMERY-POLK-SAN JACINTO-
TRINITY-WALKER-WALLER-WASHINGTON-
WATERS FROM FREEPORT TO THE MATAGORDA SHIP CHANNEL 20 NM TO 60 NM-
WATERS FROM FREEPORT TO THE MATAGORDA SHIP CHANNEL OUT 20 NM-
WATERS FROM HIGH ISLAND TO FREEPORT 20 TO 60 NM-
WATERS FROM HIGH ISLAND TO FREEPORT OUT 20 NM-WHARTON-
407 PM CDT FRI APR 17 2015

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF SOUTHEAST TEXAS.

.DAY ONE...TONIGHT

SEVERE THUNDERSTORM WATCH IN EFFECT THROUGH 10 PM CDT TONIGHT.

A FLOOD WATCH IS IN EFFECT THROUGH SATURDAY MORNING.

THERE IS A ENHANCED RISK FOR SEVERE THUNDERSTORMS ACROSS SOUTHEAST
TEXAS AS THE ATMOSPHERE BECOMES MORE UNSTABLE AHEAD OF THE APPROACH
OF A SOUTH CENTRAL TEXAS STORM SYSTEM. A LATE AFTERNOON THREAT OF
HAIL AND DAMAGING WINDS...TRANSITIONING TO A FLOODING THREAT AS
HEAVY TRAINING CORE RAINS DEVELOP AND MOST LIKELY TRAIN OVER THE
REGION. ONE TO TWO INCH RAINS WILL LIKELY INDUCE FLASH FLOODING
ISSUES. ISOLATED THREE TO SIX AMOUNTS ARE POSSIBLE THROUGH SATURDAY
MORNING.

.DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY

STRONG TO SEVERE THUNDERSTORMS WITH HEAVY RAIN WILL BE POSSIBLE
AGAIN SATURDAY AS YET ANOTHER DISTURBANCE MOVES THROUGH THE REGION.

.SPOTTER INFORMATION STATEMENT...

SPOTTERS NEED TO BE READY TO REPORT ANY SEVERE WEATHER DURING THE
OVERNIGHT HOURS.

In the hours before

Local storm report, Apr 17, 12:40 PM CDT, 5 hours 34 minutes before
PRELIMINARY LOCAL STORM REPORT...SUMMARY
NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX
1240 PM CDT FRI APR 17 2015

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

1210 PM     HAIL             HEDWIG VILLAGE          29.78N  95.52W
04/16/2015  E0.75 INCH       HARRIS             TX   PUBLIC

            REPORTS OF DIME SIZE HAIL AROUND THE SPRING BRANCH
            AREA...NEAR THE INTERSECTION OF INTERSTATE 10 AND
            BELTWAY 8.

1215 PM     HAIL             HEDWIG VILLAGE          29.78N  95.52W
04/16/2015  E1.00 INCH       HARRIS             TX   PUBLIC

            NUMEROUS REPORTS OF QUARTER SIZE HAIL.

1215 PM     HAIL             HOUSTON                 29.77N  95.39W
04/16/2015  M1.00 INCH       HARRIS             TX   PUBLIC

            QUARTER SIZED HAIL AT BELTWAY 8 AND BUNKER HILL
            VILLAGE.

1219 PM     HAIL             HOUSTON                 29.77N  95.39W
04/16/2015  M1.00 INCH       HARRIS             TX   PUBLIC

            HAIL FROM DINE TO QUARTER SIZED AT BELTWAY 8 AND CLAY
            ROAD.

1230 PM     HAIL             JERSEY VILLAGE          29.89N  95.57W
04/16/2015  E1.00 INCH       HARRIS             TX   LAW ENFORCEMENT

            DIME SIZE TO 1 INCH HAIL REPORTED BY THE HOUSTON PD.

0335 PM     HAIL             COLUMBUS                29.70N  96.55W
04/16/2015  M0.75 INCH       COLORADO           TX   LAW ENFORCEMENT

            DIME SIZED HAIL IN DOWNTOWN COLUMBUS.

0340 PM     HAIL             4 W COLUMBUS            29.70N  96.62W
04/16/2015  M1.00 INCH       COLORADO           TX   EMERGENCY MNGR

            QUARTER SIZED HAIL ALONG INTERSTATE 10 WEST OF
            COLUMBUS.

0340 PM     TSTM WND DMG     4 W COLUMBUS            29.70N  96.62W
04/16/2015                   COLORADO           TX   EMERGENCY MNGR

            TREE LIMBS DOWN ALONG INTERSTATE 10 DUE TO 60 MILE PER
            HOUR WIND GUSTS.

0400 PM     TSTM WND DMG     16 N COLUMBUS           29.94N  96.55W
04/16/2015                   AUSTIN             TX   PUBLIC

            LARGE TREES KNOCKED DOWN AND LIMBS SNAPPED 3 MILES SW
            OF NEW ULM ON SHUPAK ROAD.

0458 PM     HAIL             8 NW HUNTSVILLE         30.79N  95.65W
04/16/2015  M0.75 INCH       WALKER             TX   TRAINED SPOTTER

            DIME SIZED HAIL 8 MILES NORTHWEST OF HUNTSVILLE.

0505 PM     TSTM WND DMG     7 S LA WARD             28.75N  96.47W
04/16/2015                   JACKSON            TX   FIRE DEPT/RESCUE

            ON TX-172 N OF 35 AND 172 INTERSECTION... RECENTLY NEW
            ELECTRICAL POLE SNAPPED OFF 20 FEET ABOVE THE GROUND
            LEADING TO POWER OUTAGE.

0508 PM     HAIL             HUNTSVILLE              30.71N  95.55W
04/16/2015  E0.50 INCH       WALKER             TX   EMERGENCY MNGR

            HALF INCH HAIL IN HUNTSVILLE...

0509 PM     HAIL             2 NE BRYAN              30.69N  96.34W
04/16/2015  M1.50 INCH       BRAZOS             TX   PUBLIC

            PING PONG SIZED HAIL JUST NORTHEAST OF BRYAN.

0510 PM     HAIL             12 E LIVINGSTON         30.71N  94.73W
04/16/2015  M1.00 INCH       POLK               TX   LAW ENFORCEMENT

            QUARTER SIZE HAIL REPORTED OVER THE ALABAMA-COUSHATTA
            RESERVATION.

0510 PM     TSTM WND DMG     THE WOODLANDS           30.16N  95.49W
04/16/2015                   MONTGOMERY         TX   BROADCAST MEDIA

            THREE LARGE OAK TREES UPROOTED THEN LANDING ON
            HOMES...OTHER TREE LIMBS BROKEN AND WIND DAMAGE TO A
            HALF MILE STRETCH OF NEIGHBORHOOD.

0510 PM     TSTM WND DMG     12 WNW HUNTSVILLE       30.78N  95.74W
04/16/2015                   WALKER             TX   NEWSPAPER

            HUNTSVILLE NEWSPAPER REPORT OF TREES DOWN ALONG FM-1696
            NEAR CRABBS PRAIRIE.

0512 PM     HAIL             7 WNW HUNTSVILLE        30.75N  95.66W
04/16/2015  M1.00 INCH       WALKER             TX   BROADCAST MEDIA

            QUARTER SIZED HAIL IN CRABBS PRAIRIE.

0535 PM     HAIL             4 N HUNTSVILLE          30.77N  95.55W
04/16/2015  M1.25 INCH       WALKER             TX   TRAINED SPOTTER

            HALF DOLLAR SIZED HAIL JUST NORTH OF HUNTSVILLE.

0545 PM     FLASH FLOOD      HUNTSVILLE              30.71N  95.55W
04/16/2015                   WALKER             TX   BROADCAST MEDIA

            SAM HOUSTON STATE UNIVERSITY HAS FLOODED PARKING LOTS
            AND FLOODING IN THE RECREATION BUILDING.

0550 PM     TSTM WND DMG     17 SW BAY CITY          28.80N  96.16W
04/16/2015                   MATAGORDA          TX   PUBLIC

            LARGE TREE LIMBS DAMAGED IN FRONT OF BLESSING HOTEL AND
            COFFEE SHOP IN BLESSING... TX.

0605 PM     FUNNEL CLOUD     PALACIOS                28.71N  96.24W
04/16/2015                   MATAGORDA          TX   LAW ENFORCEMENT

            FUNNEL CLOUD JUST NORTH OF PALACIOS.

0620 PM     TSTM WND DMG     13 SW BAY CITY          28.85N  96.12W
04/16/2015                   MATAGORDA          TX   PUBLIC

            FALLING TREE LIMBS AND ROOF DAMAGE FROM HIGH WINDS NEAR
            6TH ST AND AVE F INTERSECTION IN MARKHAM TX.

0834 PM     HAIL             12 W EAGLE LAKE         29.59N  96.53W
04/16/2015  M1.75 INCH       COLORADO           TX   EMERGENCY MNGR

            GOLFBALL SIZED HAIL 3 MILES WEST OF ALTAIR IN CENTRAL
            COLORADO COUNTY.

0920 PM     FLOOD            LIBERTY                 30.05N  94.80W
04/16/2015                   LIBERTY            TX   LAW ENFORCEMENT

            FM563 BETWEEN LIBERTY AND ANAHUAC...FM 160E BETWEEN
            LIBERTY AND DAISETTA...BOTH FLOODED BUT PASSABLE.

0920 PM     TSTM WND DMG     2 N EAST BERNARD        29.56N  96.06W
04/16/2015                   WHARTON            TX   EMERGENCY MNGR

            TREES DOWN AND BARN DAMAGED ON THE EAST END OF CR-272
            NEAR THE SAN BERNARD RIVER.

0930 PM     HAIL             RICHMOND                29.58N  95.77W
04/16/2015  M1.75 INCH       FORT BEND          TX   PUBLIC

            GOLFBALL SIZED HAIL IN RICHMOND AT READING ROAD AND FM
            762.

1000 PM     HAIL             PEARLAND                29.56N  95.28W
04/16/2015  E0.75 INCH       BRAZORIA           TX   PUBLIC

            DIME SIZED HAIL IN PEARLAND.

1020 PM     HAIL             ROSENBERG               29.55N  95.79W
04/16/2015  M1.00 INCH       FORT BEND          TX   TRAINED SPOTTER

            HAIL PEAKED AT QUARTER SIZED.

1020 PM     TSTM WND GST     ROSENBERG               29.55N  95.79W
04/16/2015  E60 MPH          FORT BEND          TX   TRAINED SPOTTER

            TRAINED SPOTTER ESTIMATES 60 MILE PER HOUR WIND GUSTS.

1032 PM     HAIL             ROSENBERG               29.55N  95.79W
04/16/2015  E0.88 INCH       FORT BEND          TX   TRAINED SPOTTER

            NICLE SIZED HAIL AND 55-60 MPH SUSTAINED WINDS STILL
            ONGOING IN CENTRAL FORT BEND COUNTY ASSOCIATED WITH
            SUPERCELL TSTM.

1035 PM     HAIL             RICHMOND                29.58N  95.77W
04/16/2015  M1.75 INCH       FORT BEND          TX   LAW ENFORCEMENT

            GOLFBALL SIZED HAIL NEAR FM 762 AND US 59.

1101 PM     FLOOD            PASADENA                29.66N  95.15W
04/16/2015                   HARRIS             TX   FIRE DEPT/RESCUE

            SOME STREET FLOODING BEING REPORTED AROUND PASADENA.
            REDBLUFF AND NORTHWOOD ROADS FLOODING.

&&

EVENT NUMBER HGX1500020 HGX1500021 HGX1500044 HGX1500045 HGX1500036
HGX1500024 HGX1500022 HGX1500023 HGX1500038 HGX1500025 HGX1500037
HGX1500026 HGX1500029 HGX1500028 HGX1500033 HGX1500039 HGX1500027
HGX1500030 HGX1500032 HGX1500040 HGX1500031 HGX1500041 HGX1500034
HGX1500035 HGX1500043 HGX1500046 HGX1500047 HGX1500048 HGX1500049
HGX1500050 HGX1500051 HGX1500052

DCH
Local storm report, Apr 17, 12:59 PM CDT, 5 hours 15 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX
1259 PM CDT FRI APR 17 2015

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0750 PM     HAIL             5 SE EL CAMPO           29.15N  96.22W
04/16/2015  E1.00 INCH       WHARTON            TX   NEWSPAPER

            FROM THE EL CAMPO LEADER NEWS... HAIL DAMAGE TO
            AGRICULTURE FIELD NEAR INTERSECTION OF CR-414 AND
            CR-407.

&&

EVENT NUMBER HGX1500053

40
Local storm report, Apr 17, 1:00 PM CDT, 5 hours 14 minutes before
PRELIMINARY LOCAL STORM REPORT...SUMMARY
NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX
100 PM CDT FRI APR 17 2015

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

1210 PM     HAIL             HEDWIG VILLAGE          29.78N  95.52W
04/16/2015  E0.75 INCH       HARRIS             TX   PUBLIC

            REPORTS OF DIME SIZE HAIL AROUND THE SPRING BRANCH
            AREA...NEAR THE INTERSECTION OF INTERSTATE 10 AND
            BELTWAY 8.

1215 PM     HAIL             HEDWIG VILLAGE          29.78N  95.52W
04/16/2015  E1.00 INCH       HARRIS             TX   PUBLIC

            NUMEROUS REPORTS OF QUARTER SIZE HAIL.

1215 PM     HAIL             HOUSTON                 29.77N  95.39W
04/16/2015  M1.00 INCH       HARRIS             TX   PUBLIC

            QUARTER SIZED HAIL AT BELTWAY 8 AND BUNKER HILL
            VILLAGE.

1219 PM     HAIL             HOUSTON                 29.77N  95.39W
04/16/2015  M1.00 INCH       HARRIS             TX   PUBLIC

            HAIL FROM DINE TO QUARTER SIZED AT BELTWAY 8 AND CLAY
            ROAD.

1230 PM     HAIL             JERSEY VILLAGE          29.89N  95.57W
04/16/2015  E1.00 INCH       HARRIS             TX   LAW ENFORCEMENT

            DIME SIZE TO 1 INCH HAIL REPORTED BY THE HOUSTON PD.

0335 PM     HAIL             COLUMBUS                29.70N  96.55W
04/16/2015  M0.75 INCH       COLORADO           TX   LAW ENFORCEMENT

            DIME SIZED HAIL IN DOWNTOWN COLUMBUS.

0340 PM     HAIL             4 W COLUMBUS            29.70N  96.62W
04/16/2015  M1.00 INCH       COLORADO           TX   EMERGENCY MNGR

            QUARTER SIZED HAIL ALONG INTERSTATE 10 WEST OF
            COLUMBUS.

0340 PM     TSTM WND DMG     4 W COLUMBUS            29.70N  96.62W
04/16/2015                   COLORADO           TX   EMERGENCY MNGR

            TREE LIMBS DOWN ALONG INTERSTATE 10 DUE TO 60 MILE PER
            HOUR WIND GUSTS.

0400 PM     TSTM WND DMG     16 N COLUMBUS           29.94N  96.55W
04/16/2015                   AUSTIN             TX   PUBLIC

            LARGE TREES KNOCKED DOWN AND LIMBS SNAPPED 3 MILES SW
            OF NEW ULM ON SHUPAK ROAD.

0458 PM     HAIL             8 NW HUNTSVILLE         30.79N  95.65W
04/16/2015  M0.75 INCH       WALKER             TX   TRAINED SPOTTER

            DIME SIZED HAIL 8 MILES NORTHWEST OF HUNTSVILLE.

0505 PM     TSTM WND DMG     7 S LA WARD             28.75N  96.47W
04/16/2015                   JACKSON            TX   FIRE DEPT/RESCUE

            ON TX-172 N OF 35 AND 172 INTERSECTION... RECENTLY NEW
            ELECTRICAL POLE SNAPPED OFF 20 FEET ABOVE THE GROUND
            LEADING TO POWER OUTAGE.

0508 PM     HAIL             HUNTSVILLE              30.71N  95.55W
04/16/2015  E0.50 INCH       WALKER             TX   EMERGENCY MNGR

            HALF INCH HAIL IN HUNTSVILLE...

0509 PM     HAIL             2 NE BRYAN              30.69N  96.34W
04/16/2015  M1.50 INCH       BRAZOS             TX   PUBLIC

            PING PONG SIZED HAIL JUST NORTHEAST OF BRYAN.

0510 PM     HAIL             12 E LIVINGSTON         30.71N  94.73W
04/16/2015  M1.00 INCH       POLK               TX   LAW ENFORCEMENT

            QUARTER SIZE HAIL REPORTED OVER THE ALABAMA-COUSHATTA
            RESERVATION.

0510 PM     TSTM WND DMG     THE WOODLANDS           30.16N  95.49W
04/16/2015                   MONTGOMERY         TX   BROADCAST MEDIA

            THREE LARGE OAK TREES UPROOTED THEN LANDING ON
            HOMES...OTHER TREE LIMBS BROKEN AND WIND DAMAGE TO A
            HALF MILE STRETCH OF NEIGHBORHOOD.

0510 PM     TSTM WND DMG     12 WNW HUNTSVILLE       30.78N  95.74W
04/16/2015                   WALKER             TX   NEWSPAPER

            HUNTSVILLE NEWSPAPER REPORT OF TREES DOWN ALONG FM-1696
            NEAR CRABBS PRAIRIE.

0512 PM     HAIL             7 WNW HUNTSVILLE        30.75N  95.66W
04/16/2015  M1.00 INCH       WALKER             TX   BROADCAST MEDIA

            QUARTER SIZED HAIL IN CRABBS PRAIRIE.

0535 PM     HAIL             4 N HUNTSVILLE          30.77N  95.55W
04/16/2015  M1.25 INCH       WALKER             TX   TRAINED SPOTTER

            HALF DOLLAR SIZED HAIL JUST NORTH OF HUNTSVILLE.

0545 PM     FLASH FLOOD      HUNTSVILLE              30.71N  95.55W
04/16/2015                   WALKER             TX   BROADCAST MEDIA

            SAM HOUSTON STATE UNIVERSITY HAS FLOODED PARKING LOTS
            AND FLOODING IN THE RECREATION BUILDING.

0550 PM     TSTM WND DMG     17 SW BAY CITY          28.80N  96.16W
04/16/2015                   MATAGORDA          TX   PUBLIC

            LARGE TREE LIMBS DAMAGED IN FRONT OF BLESSING HOTEL AND
            COFFEE SHOP IN BLESSING... TX.

0605 PM     FUNNEL CLOUD     PALACIOS                28.71N  96.24W
04/16/2015                   MATAGORDA          TX   LAW ENFORCEMENT

            FUNNEL CLOUD JUST NORTH OF PALACIOS.

0620 PM     TSTM WND DMG     13 SW BAY CITY          28.85N  96.12W
04/16/2015                   MATAGORDA          TX   PUBLIC

            FALLING TREE LIMBS AND ROOF DAMAGE FROM HIGH WINDS NEAR
            6TH ST AND AVE F INTERSECTION IN MARKHAM TX.

0750 PM     HAIL             5 SE EL CAMPO           29.15N  96.22W
04/16/2015  E1.00 INCH       WHARTON            TX   NEWSPAPER

            FROM THE EL CAMPO LEADER NEWS... HAIL DAMAGE TO
            AGRICULTURE FIELD NEAR INTERSECTION OF CR-414 AND
            CR-407.

0834 PM     HAIL             12 W EAGLE LAKE         29.59N  96.53W
04/16/2015  M1.75 INCH       COLORADO           TX   EMERGENCY MNGR

            GOLFBALL SIZED HAIL 3 MILES WEST OF ALTAIR IN CENTRAL
            COLORADO COUNTY.

0920 PM     FLOOD            LIBERTY                 30.05N  94.80W
04/16/2015                   LIBERTY            TX   LAW ENFORCEMENT

            FM563 BETWEEN LIBERTY AND ANAHUAC...FM 160E BETWEEN
            LIBERTY AND DAISETTA...BOTH FLOODED BUT PASSABLE.

0920 PM     TSTM WND DMG     2 N EAST BERNARD        29.56N  96.06W
04/16/2015                   WHARTON            TX   EMERGENCY MNGR

            TREES DOWN AND BARN DAMAGED ON THE EAST END OF CR-272
            NEAR THE SAN BERNARD RIVER.

0930 PM     HAIL             RICHMOND                29.58N  95.77W
04/16/2015  M1.75 INCH       FORT BEND          TX   PUBLIC

            GOLFBALL SIZED HAIL IN RICHMOND AT READING ROAD AND FM
            762.

1000 PM     HAIL             PEARLAND                29.56N  95.28W
04/16/2015  E0.75 INCH       BRAZORIA           TX   PUBLIC

            DIME SIZED HAIL IN PEARLAND.

1020 PM     HAIL             ROSENBERG               29.55N  95.79W
04/16/2015  M1.00 INCH       FORT BEND          TX   TRAINED SPOTTER

            HAIL PEAKED AT QUARTER SIZED.

1020 PM     TSTM WND GST     ROSENBERG               29.55N  95.79W
04/16/2015  E60 MPH          FORT BEND          TX   TRAINED SPOTTER

            TRAINED SPOTTER ESTIMATES 60 MILE PER HOUR WIND GUSTS.

1032 PM     HAIL             ROSENBERG               29.55N  95.79W
04/16/2015  E0.88 INCH       FORT BEND          TX   TRAINED SPOTTER

            NICLE SIZED HAIL AND 55-60 MPH SUSTAINED WINDS STILL
            ONGOING IN CENTRAL FORT BEND COUNTY ASSOCIATED WITH
            SUPERCELL TSTM.

1035 PM     HAIL             RICHMOND                29.58N  95.77W
04/16/2015  M1.75 INCH       FORT BEND          TX   LAW ENFORCEMENT

            GOLFBALL SIZED HAIL NEAR FM 762 AND US 59.

1101 PM     FLOOD            PASADENA                29.66N  95.15W
04/16/2015                   HARRIS             TX   FIRE DEPT/RESCUE

            SOME STREET FLOODING BEING REPORTED AROUND PASADENA.
            REDBLUFF AND NORTHWOOD ROADS FLOODING.

&&

EVENT NUMBER HGX1500020 HGX1500021 HGX1500044 HGX1500045 HGX1500036
HGX1500024 HGX1500022 HGX1500023 HGX1500038 HGX1500025 HGX1500037
HGX1500026 HGX1500029 HGX1500028 HGX1500033 HGX1500039 HGX1500027
HGX1500030 HGX1500032 HGX1500040 HGX1500031 HGX1500041 HGX1500053
HGX1500034 HGX1500035 HGX1500043 HGX1500046 HGX1500047 HGX1500048
HGX1500049 HGX1500050 HGX1500051 HGX1500052

40
Special weather statement, Apr 17, 4:26 PM CDT, 1 hour 48 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX
426 PM CDT FRI APR 17 2015

TXZ226-235>237-172215-
BRAZORIA TX-JACKSON TX-MATAGORDA TX-WHARTON TX-
426 PM CDT FRI APR 17 2015

...SIGNIFICANT WEATHER ADVISORY FOR SOUTHWESTERN BRAZORIA...
SOUTHEASTERN WHARTON...SOUTHEASTERN JACKSON AND MATAGORDA COUNTIES
UNTIL 515 PM CDT...

AT 424 PM CDT...DOPPLER RADAR WAS TRACKING A LINE OF STRONG
THUNDERSTORMS ALONG A LINE EXTENDING FROM NEAR PALACIOS TO 9 MILES
EAST OF SCHICKE POINT TO 11 MILES SOUTH OF MATAGORDA...AND MOVING
NORTHEAST AT 40 MPH.

DIME SIZE HAIL AND WINDS IN EXCESS OF 40 MPH WILL BE POSSIBLE WITH
THESE STORMS.

LOCATIONS IMPACTED INCLUDE...
MATAGORDA...BAY CITY...PALACIOS...SOUTH TEXAS NUCLEAR PLANT...VAN
VLECK...MARKHAM...SARGENT...BLESSING...BOLING-LAGO AND WADSWORTH.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

FREQUENT CLOUD TO GROUND LIGHTNING IS OCCURRING WITH THESE STORMS.
LIGHTNING CAN STRIKE 15 MILES AWAY FROM A THUNDERSTORM. SEEK A SAFE
SHELTER INSIDE A BUILDING OR VEHICLE.

THESE STORMS MAY INTENSIFY...SO BE CERTAIN TO MONITOR LOCAL RADIO AND
TV STATIONS...AS WELL AS LOCAL CABLE TV OUTLETS...FOR ADDITIONAL
INFORMATION AND POSSIBLE WARNINGS FROM THE NATIONAL WEATHER SERVICE.

&&

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 1000 PM CDT FOR
SOUTHEASTERN TEXAS.

LAT...LON 2853 9617 2861 9598 2865 9598 2858 9622
      2862 9621 2864 9624 2876 9618 2871 9621
      2868 9626 2872 9627 2871 9627 2865 9631
      2870 9636 2925 9596 2905 9578 2891 9546
      2874 9566 2852 9615
TIME...MOT...LOC 2124Z 218DEG 34KT 2870 9627 2861 9619 2853 9602

40
Special weather statement, Apr 17, 6:10 PM CDT, 4 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX
610 PM CDT FRI APR 17 2015

TXZ211>213-227-172345-
AUSTIN TX-HARRIS TX-WALLER TX-FORT BEND TX-
610 PM CDT FRI APR 17 2015

...SPECIAL WEATHER STATEMENT...

AT 609 PM CDT...DOPPLER RADAR WAS TRACKING A STRONG THUNDERSTORM
OVER KATY...MOVING NORTH AT 40 MPH. THE STORM IS ALSO PRODUCING
FREQUENT CLOUD TO GROUND LIGHTNING.

WINDS IN EXCESS OF 35 MPH WILL BE POSSIBLE WITH THIS STORM.

LOCATIONS IMPACTED INCLUDE...
KATY...BROOKSHIRE...ELDRIDGE / WEST OAKS...SOUTHWESTERN ADDICKS PARK
TEN...FULSHEAR...PATTISON...CINCO RANCH AND MONAVILLE.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 1000 PM CDT FOR
SOUTHEASTERN TEXAS.

LAT...LON 2999 9615 2996 9569 2972 9567 2972 9590
TIME...MOT...LOC 2309Z 158DEG 35KT 2978 9583
Local storm report, Apr 17, 6:14 PM CDT, 0 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX
614 PM CDT FRI APR 17 2015

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0558 PM     TSTM WND DMG     13 NNW EDNA             29.13N  96.76W
04/17/2015                   JACKSON            TX   LAW ENFORCEMENT

            TREES DOWN ON ROUTE 283 NEAR MORALES...ESTIMATED 50-60
            MPH WIND GUST.

&&

EVENT NUMBER HGX1500054

DCH

The office that day

Everything else NWS Houston/Galveston, TX issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Apr 16, 7:08 PM CDTAreal Flood AdvisoryHGXChambers, Harris, Liberty112 min
Apr 16, 7:10 PM CDTAreal Flood AdvisoryHGXChambers, Harris, Liberty2 hr
Apr 16, 7:20 PM CDTFlash Flood WarningHGXPolk, San Jacinto, Walker115 min
Apr 16, 7:27 PM CDTSpecial Weather StatementHGXWharton33 min
Apr 16, 7:36 PM CDTSevere Thunderstorm WarningHGXMatagorda, Wharton39 min
Apr 16, 8:06 PM CDTFlash Flood WarningHGXChambers, Harris, Liberty114 min
Apr 16, 8:14 PM CDTSevere Thunderstorm WarningHGXBrazoria, Fort Bend, Matagorda, Wharton46 min
Apr 16, 8:22 PM CDTSevere Thunderstorm WarningHGXAustin, Colorado, Wharton38 min
Apr 16, 8:57 PM CDTSevere Thunderstorm WarningHGXAustin, Colorado, Fort Bend, Waller, Wharton48 min
Apr 16, 9:03 PM CDTFlash Flood WarningHGXChambers, Harris, Liberty117 min
Apr 16, 9:39 PM CDTAreal Flood AdvisoryHGXHarris, Montgomery2 hr
Apr 16, 9:45 PM CDTSevere Thunderstorm WarningHGXFort Bend30 min
Apr 16, 10:14 PM CDTSevere Thunderstorm WarningHGXBrazoria, Fort Bend46 min
Apr 16, 10:25 PM CDTSmall Craft AdvisoryHGX9 hr
Apr 16, 10:41 PM CDTSpecial Marine WarningHGX49 min
Apr 16, 10:54 PM CDTFlash Flood WarningHGXChambers, Harris, Liberty3 hr
Apr 16, 11:04 PM CDTAreal Flood AdvisoryHGXHarris3 hr
Apr 16, 11:48 PM CDTAreal Flood AdvisoryHGXBrazos, Burleson, Washington117 min
Apr 17, 12:00 AM CDTFlash Flood WarningHGXHarris2 hr
Apr 17, 4:09 AM CDTSpecial Marine WarningHGX36 min
Apr 17, 4:20 AM CDTSpecial Marine WarningHGX40 min
Apr 17, 4:44 AM CDTSpecial Marine WarningHGX46 min
Apr 17, 5:07 AM CDTSpecial Marine WarningHGX38 min
Apr 17, 5:21 AM CDTSpecial Marine WarningHGX84 min
Apr 17, 3:53 PM CDTSpecial Marine WarningHGX67 min
Apr 17, 4:26 PM CDTSpecial Weather StatementHGXMatagorda49 min
Apr 17, 4:49 PM CDTSevere Thunderstorm WarningHGXJackson41 min
Apr 17, 5:03 PM CDTAreal Flood AdvisoryHGXJackson3 hr
Apr 17, 5:39 PM CDTAreal Flood AdvisoryHGXColorado, Wharton3 hr
Apr 17, 5:45 PM CDTSevere Thunderstorm WarningHGXColorado, Jackson, Matagorda, Wharton45 min
Apr 17, 6:10 PM CDTSpecial Weather StatementHGXWaller35 min
Apr 17, 6:21 PM CDTSevere Thunderstorm WarningHGXAustin, Brazoria, Colorado, Fort Bend, Jackson, Matagorda and 2 more39 min
Apr 17, 6:32 PM CDTAreal Flood AdvisoryHGXAustin, Colorado, Fort Bend, Harris, Waller, Wharton118 min
Apr 17, 6:56 PM CDTAreal Flood AdvisoryHGXBrazoria, Fort Bend, Jackson, Matagorda, Wharton3 hr
Apr 17, 6:56 PM CDTSevere Thunderstorm WarningHGXAustin, Brazoria, Fort Bend, Galveston, Harris, Matagorda and 2 more49 min

Nearby

Flash Flood Warnings in Texas, 2015Every flash flood warning 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.