Alert archive / Texas / Flash Flood Warnings in 2016

Flash Flood Warning 69, NWS Shreveport, LA

April 29, 2016Cherokee County, Nacogdoches County, Texas

NWS Shreveport, LA issued this flash flood warning at Apr 29, 2016, 11:09 PM CDT for Cherokee County, Nacogdoches County, Texas. It was in force for 8 hr. 8 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 29, 2016, 11:09 PM CDT (04:09 UTC)
Expired
Apr 30, 2016, 7:00 AM CDT
In force
8 hr
Issued by
NWS Shreveport, LA
Area
Storm-based polygon
Flood severity
None

Counties Cherokee County, TX, Nacogdoches County, TX

The radar

The Shreveport radar (KSHV), 144 km from the middle of the area, began a volume at 04:12 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 29, 11:20 PM CDTFLASH FLOOD8 Ssw Cushing, TXNUMEROUS COUNTY ROADS FLOODED
Apr 30, 2:52 AM CDTFLASH FLOODRusk, TXFLOODING REPORTED ON NUMEROUS ROADS COUNTY WIDE
Apr 30, 3:00 AM CDTFLASH FLOOD1 Se Cuney, TXFM 855 FROM NORTH OF HIGHWAY 175 TO 2.5 MILES SOUTH OF FM 3198 WAS CLOSED DUE TO FLOODING.
Apr 30, 3:15 AM CDTFLASH FLOOD10 Ne Jacksonville, TXFM 3052 FROM 3.3 MILES NORTH OF FM 177 TO 2.5 MILES NORTH OF FM 177 WAS CLOSED DUE TO FLOODING.
Apr 30, 3:15 AM CDTFLASH FLOOD2 Sw Rusk, TXFM 1857 FROM WEST OF FM 23 TO NORTH OF FM 23 WAS CLOSED DUE TO FLOODING.
Apr 30, 3:15 AM CDTFLASH FLOOD9 Ne Jacksonville, TXFM 2064 FROM SOUTH OF FM 2750 TO EAST OF HIGHWAY 135 WAS CLOSED DUE TO FLOODING.
Apr 30, 3:30 AM CDTFLASH FLOOD4 Nw Wells, TXFM 1247 FROM SOUTH OF FM 1911 TO WEST OF FM 1819 WAS CLOSED DUE TO FLOODING.
Apr 30, 4:52 AM CDTFLASH FLOODNacogdoches, TXWATER OVER BOTH LANES OF SH 21 WEST AND ON FM 225 IN NACOGDOCHES

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Shreveport, LA (KBAD), launched 00:00Z, 4.2 hours before the alert went out and 153 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, Shreveport, LA at 00:00Z on 2016-04-30Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 835 joules per kilogram.LCLLFCEL10008507005003002001001 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, Shreveport, LA at 00:00Z on 2016-04-30The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 455 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
835 J/kg
Mixed-layer CIN
-28 J/kg
Mixed-layer LCL
591 m above ground
0-6 km bulk shear
68 kt
0-1 km storm-relative helicity
455 m²/s²
0-3 km storm-relative helicity
577 m²/s²
Significant tornado parameter
2.9
Supercell composite
11.8

Open this sounding in Storm Lab

The text

As transmitted.

784 
WGUS54 KSHV 300409
FFWSHV
TXC073-347-300800-
/O.NEW.KSHV.FF.W.0069.160430T0409Z-160430T0800Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE SHREVEPORT LA
1109 PM CDT FRI APR 29 2016

THE NATIONAL WEATHER SERVICE IN SHREVEPORT HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  NACOGDOCHES COUNTY IN EASTERN TEXAS...
  CHEROKEE COUNTY IN NORTHEASTERN TEXAS...

* UNTIL 300 AM CDT

* AT 1109 PM CDT...DOPPLER RADAR INDICATED THUNDERSTORMS PRODUCING
  HEAVY RAIN ACROSS THE WARNED AREA. WIDESPREAD RAINFALL AMOUNTS OF
  TWO TO THREE INCHES HAVE ALREADY FALLEN ACROSS THE WARNED
  AREAS...WITH ADDITIONAL THUNDERSTORMS CONTAINING HEAVY RAINFALL
  CONTINUING TO REDEVELOP AND MOVE REPEATEDLY NORTHEAST.
  THUS...FLASH FLOODING IS EXPECTED TO BEGIN SHORTLY.

* SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
  NACOGDOCHES...JACKSONVILLE...RUSK...ALTO...GARRISON...WELLS...MOUNT
  SELMAN...TRAWICK...MAYDELLE...REESE...PONTA...DOUGLASS...MORRILL...FOREST...
  MARTINSVILLE...MIXON...SACUL...NEW SUMMERFIELD...CUSHING AND
  APPLEBY.

ADDITIONAL RAINFALL AMOUNTS OF ONE TO THREE INCHES...WITH ISOLATED
HIGHER AMOUNTS...ARE POSSIBLE IN THE WARNED AREA THROUGH 3 AM.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TURN AROUND...DON'T DROWN WHEN ENCOUNTERING FLOODED ROADS. MOST FLOOD
DEATHS OCCUR IN VEHICLES.

BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODING.

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

&&

LAT...LON 3213 9546 3213 9499 3184 9499 3184 9446
      3164 9440 3147 9473 3153 9487 3143 9500
      3147 9510 3152 9510 3159 9517 3159 9527
      3168 9529 3176 9540 3182 9540 3185 9544
      3193 9542 3199 9545 3208 9542

$$

15
1 follow-up statement
835 
WGUS54 KSHV 300751
FFWSHV
TXC073-347-301200-
/O.EXT.KSHV.FF.W.0069.000000T0000Z-160430T1200Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE SHREVEPORT LA
251 AM CDT SAT APR 30 2016

THE NATIONAL WEATHER SERVICE IN SHREVEPORT HAS EXTENDED THE

* FLASH FLOOD WARNING FOR...
  NACOGDOCHES COUNTY IN EASTERN TEXAS...
  CHEROKEE COUNTY IN NORTHEASTERN TEXAS...

* UNTIL 700 AM CDT

* AT 251 AM CDT...DOPPLER RADAR INDICATED THUNDERSTORMS PRODUCING
  HEAVY RAIN ACROSS THE WARNED AREA. WIDESPREAD RAINFALL AMOUNTS OF
  THREE TO IN EXCESS OF SIX INCHES HAS FALLEN ACROSS THE WARNED
  AREA...WITH ADDITIONAL THUNDERSTORMS CONTAINING HEAVY RAINFALL
  FALLING OVER ALREADY SATURATED GROUNDS. SEVERAL ROADS REMAIN
  FLOODED ACROSS PORTIONS OF CHEROKEE AND NACOGDOCHES
  COUNTIES...WITH THE FLOODING EXPECTED TO PERSIST THROUGH DAYBREAK.

* SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
  NACOGDOCHES...JACKSONVILLE...RUSK...ALTO...GARRISON...WELLS...MOUNT
  SELMAN...TRAWICK...MAYDELLE...REESE...PONTA...DOUGLASS...MORRILL...FOREST...
  MARTINSVILLE...MIXON...SACUL...NEW SUMMERFIELD...CUSHING AND
  APPLEBY.

ADDITIONAL RAINFALL AMOUNTS OF ONE TO TWO INCHES...WITH ISOLATED
HIGHER AMOUNTS EXCEEDING THREE INCHES OVER NORTHWEST
NACOGDOCHES COUNTY...ARE POSSIBLE IN THE WARNED AREA THROUGH 7 AM.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TURN AROUND...DON'T DROWN WHEN ENCOUNTERING FLOODED ROADS. MOST FLOOD
DEATHS OCCUR IN VEHICLES.

BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODING.

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

&&

LAT...LON 3213 9546 3213 9499 3184 9499 3184 9446
      3164 9440 3147 9473 3153 9487 3143 9500
      3147 9510 3152 9510 3159 9517 3159 9527
      3168 9529 3176 9540 3182 9540 3185 9544
      3193 9542 3199 9545 3208 9542

$$

15

The office that day

Everything else NWS Shreveport, LA issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Apr 29, 7:03 PM CDTSpecial Weather StatementSHVCherokee, Rusk42 min
Apr 29, 7:13 PM CDTSevere Thunderstorm WarningSHVCamp, Cass, Morris, Titus, Upshur28 min
Apr 29, 7:16 PM CDTTornado WarningSHVCamp, Cass, Harrison, Marion, Morris, Upshur23 min
Apr 29, 7:24 PM CDTFlash Flood WarningSHVBowie, Red River10 hr
Apr 29, 7:25 PM CDTSpecial Weather StatementSHVUpshur35 min
Apr 29, 7:35 PM CDTTornado WarningSHVCherokee, Nacogdoches, Rusk40 min
Apr 29, 7:38 PM CDTSevere Thunderstorm WarningSHVCherokee, Gregg, Rusk, Smith, Upshur52 min
Apr 29, 7:38 PM CDTSevere Thunderstorm WarningSHVCamp, Cass, Marion, Morris, Upshur21 min
Apr 29, 7:45 PM CDTFlash Flood WarningSHVSmith, Upshur, Wood10 hr
Apr 29, 7:59 PM CDTSevere Thunderstorm WarningSHVAngelina, Cherokee, Nacogdoches, Rusk, Shelby46 min
Apr 29, 8:41 PM CDTSpecial Weather StatementSHVAngelina, San Augustine, Shelby49 min
Apr 29, 8:46 PM CDTSevere Thunderstorm WarningSHVNacogdoches, Panola, Rusk, San Augustine, Shelby44 min
Apr 29, 9:08 PM CDTSpecial Weather StatementSHVMarion52 min
Apr 29, 9:15 PM CDTSpecial Weather StatementSHVHarrison, Rusk45 min
Apr 29, 9:21 PM CDTFlash Flood WarningSHVCass, Gregg, Harrison, Marion, Panola, Rusk8 hr
Apr 29, 9:32 PM CDTSpecial Weather StatementSHVShelby43 min
Apr 29, 10:09 PM CDTSevere Thunderstorm WarningSHVBowie, Red River66 min
Apr 29, 10:27 PM CDTTornado WarningSHVHarrison, Panola33 min
Apr 29, 10:57 PM CDTTornado WarningSHVHarrison, Marion33 min
Apr 29, 11:25 PM CDTSevere Thunderstorm WarningSHVBowie, Cass65 min
Apr 29, 11:32 PM CDTFlash Flood WarningSHVBowie, Cass, Harrison, Marion, Morris, Upshur8 hr
Apr 29, 11:38 PM CDTTornado WarningSHVCass, Harrison, Marion37 min
Apr 30, 12:13 AM CDTSevere Thunderstorm WarningSHVCass, Gregg, Harrison, Marion, Panola, Rusk62 min
Apr 30, 12:35 AM CDTTornado WarningSHVHarrison55 min
Apr 30, 12:58 AM CDTTornado WarningSHVHarrison, Marion47 min
Apr 30, 3:34 AM CDTAreal Flood AdvisorySHVAngelina, Nacogdoches3 hr
Apr 30, 3:42 AM CDTAreal Flood AdvisorySHVPanola3 hr
Apr 30, 3:45 AM CDTSpecial Weather StatementSHVSabine, Shelby45 min
Apr 30, 3:55 AM CDTSevere Thunderstorm WarningSHVAngelina, Nacogdoches, Sabine, San Augustine65 min
Apr 30, 4:16 AM CDTRiver Flood WarningSHVAngelina, Cherokee, Nacogdoches6 days
Apr 30, 4:20 AM CDTRiver Flood WarningSHVPanola, Shelby9 days
Apr 30, 4:22 AM CDTRiver Flood WarningSHVNacogdoches, Rusk3 days
Apr 30, 4:23 AM CDTRiver Flood WarningSHVCherokee, Nacogdoches, Rusk, Smith4 days
Apr 30, 4:25 AM CDTRiver Flood WarningSHVWood5 days
Apr 30, 4:25 AM CDTRiver Flood WarningSHVGregg55 hr
Apr 30, 4:26 AM CDTRiver Flood WarningSHVUpshur, Wood4 days
Apr 30, 4:30 AM CDTSevere Thunderstorm WarningSHVShelby60 min
Apr 30, 4:54 AM CDTTornado WarningSHVSabine, San Augustine49 min
Apr 30, 5:21 AM CDTAreal Flood WarningSHVBowie, Camp, Cass, Franklin, Morris, Red River and 1 more6 hr
Apr 30, 5:28 AM CDTAreal Flood WarningSHVGregg, Harrison, Panola, Rusk, Shelby6 hr
Apr 30, 5:46 AM CDTAreal Flood WarningSHVSmith, Upshur, Wood6 hr
Apr 30, 6:15 AM CDTSpecial Weather StatementSHVSabine45 min
Apr 30, 7:03 AM CDTAreal Flood WarningSHVCherokee, Nacogdoches6 hr
Apr 30, 7:27 AM CDTAreal Flood WarningSHVBowie, Cass, Marion6 hr
Apr 30, 7:36 AM CDTRiver Flood WarningSHVCass, Harrison, Marion13 days
Apr 30, 7:37 AM CDTRiver Flood WarningSHVCass, Marion8 days
Apr 30, 7:38 AM CDTRiver Flood WarningSHVGregg, Harrison, Marion, Upshur7 days
Apr 30, 11:47 AM CDTAreal Flood WarningSHVGregg, Harrison, Panola, Rusk, Shelby3 hr
Apr 30, 1:27 PM CDTAreal Flood WarningSHVBowie, Cass, Marion3 hr

Nearby

Flash Flood Warnings in Texas, 2016Every flash flood 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.