Alert archive / Texas / Flash Flood Warnings in 2022

Flash Flood Warning 30, NWS Austin/San Antonio, TX

December 11, 2022Bexar County, Guadalupe County, Wilson County, Texas

NWS Austin/San Antonio, TX issued this flash flood warning at Dec 11, 2022, 1:27 AM CST for Bexar County, Guadalupe County, Wilson County, Texas. It was in force for 8 hr. 4 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
Dec 11, 2022, 1:27 AM CST (07:27 UTC)
Expired
Dec 11, 2022, 9:00 AM CST
In force
8 hr
Issued by
NWS Austin/San Antonio, TX
Area
Storm-based polygon
Damage threat
Considerable
Flood severity
None

Counties Bexar County, TX, Guadalupe County, TX, Wilson County, TX

The radar

The Austin/San Antonio radar (KEWX), 36 km from the middle of the area, began a volume at 07:28 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
Dec 11, 1:45 AM CSTFLASH FLOOD3 Nw Saint Hedwig, TXSEVERAL LOW WATER CROSSINGS ARE REPORTED FLOODED IN EASTERN BEXAR COUNTY. GROUND TRUTH REPORTS OF 4-6 OF RAINFALL OVER THE PAST 3 HOURS.
Dec 11, 2:26 AM CSTHEAVY RAIN 7.373 Ne Saint Hedwig, TXMEASURED AT MARTINEZ CREEK AT GABLE ROAD OVER PAST 3 HOURS. STILL RAINING.
Dec 11, 3:35 AM CSTHEAVY RAIN 8.393 Ne Saint Hedwig, TXMEASURED IN JUST OVER 4 HOUR PERIOD.
Dec 11, 3:35 AM CSTHEAVY RAIN 8.393 Ne Saint Hedwig, TXMEASURED IN JUST OVER 4 HOUR PERIOD.

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

Did it verify

Verified. The Iowa Environmental Mesonet's Cow matched one storm report to this flash flood warning; the first came 18 minutes after it went out.

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 00:00Z, 7.5 hours before the alert went out and 203 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 00:00Z on 2022-12-11Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 783 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 00:00Z on 2022-12-11The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 53 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
783 J/kg
Mixed-layer CIN
-33 J/kg
Mixed-layer LCL
853 m above ground
0-6 km bulk shear
30 kt
0-1 km storm-relative helicity
53 m²/s²
0-3 km storm-relative helicity
65 m²/s²
Significant tornado parameter
0.2
Supercell composite
2.4

Open this sounding in Storm Lab

The text

As transmitted.

583 
WGUS54 KEWX 110727
FFWEWX
TXC029-187-493-111030-
/O.NEW.KEWX.FF.W.0030.221211T0727Z-221211T1030Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Austin/San Antonio TX
127 AM CST Sun Dec 11 2022

The National Weather Service in Austin/San Antonio has issued a

* Flash Flood Warning for...
  East Central Bexar County in south central Texas...
  Southwestern Guadalupe County in south central Texas...
  Northern Wilson County in south central Texas...

* Until 430 AM CST.

* At 127 AM CST, Doppler radar indicated thunderstorms producing 
  heavy rain across the warned area. Between 2 and 5 inches of rain 
  have fallen. Additional rainfall amounts of 1 to 2 inches are 
  possible in the warned area. Flash flooding is ongoing or expected 
  to begin shortly.

  HAZARD...Life threatening flash flooding. Thunderstorms
           producing flash flooding.

  SOURCE...Radar.

  IMPACT...Life threatening flash flooding of creeks and streams,
           urban areas, highways, streets and underpasses.

* Some locations that will experience flash flooding include...
  San Antonio, Schertz, Seguin, Cibolo, McQueeney, St. Hedwig, La 
  Vernia, China Grove, New Berlin, Zuehl, Friendly Corner, Adkins, 
  Zipp, Nolte, Sayers, Parita and Martinez.

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 observed flooding to local emergency services or law 
enforcement and request they pass this information to the National 
Weather Service when you can do so safely.

&&

LAT...LON 2934 9822 2932 9831 2932 9839 2943 9839
      2958 9805 2954 9789 2945 9788 2936 9811
      2935 9815

FLASH FLOOD...RADAR INDICATED
FLASH FLOOD DAMAGE THREAT...CONSIDERABLE

$$

BRADY
6 follow-up statements
208 
WGUS74 KEWX 110826
FFSEWX

Flash Flood Statement
National Weather Service Austin/San Antonio TX
226 AM CST Sun Dec 11 2022

TXC029-187-493-111030-
/O.CON.KEWX.FF.W.0030.000000T0000Z-221211T1030Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Bexar TX-Guadalupe TX-Wilson TX-
226 AM CST Sun Dec 11 2022

...FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 430 AM CST EARLY THIS 
MORNING FOR EAST CENTRAL BEXAR, SOUTHWESTERN GUADALUPE AND NORTHERN 
WILSON COUNTIES...

At 226 AM CST, Doppler radar and automated rain gauges indicated 
thunderstorms producing heavy rain across the warned area. Between 5 
and 7 inches of rain have fallen. Flash flooding is already 
occurring where several low water crossings are flooded and closed 
between China Grove and New Berlin. Additionally, Martinez Creek at 
Gable Road has risen at least 4 feet and climbing. Women Hollering 
Creek at New Berlin Road also has flowing water over the roadway via 
webcam. An additional 1 to 2 inches of rain will be possible across 
the warned area.

HAZARD...Life threatening flash flooding. Thunderstorms producing
         flash flooding.

SOURCE...Radar and automated gauges.

IMPACT...Life threatening flash flooding of creeks and streams,
         urban areas, highways, streets and underpasses.

Some locations that will experience flash flooding include...
  San Antonio, Schertz, Seguin, Cibolo, McQueeney, St. Hedwig, La 
  Vernia, China Grove, New Berlin, Zuehl, Friendly Corner, Adkins, 
  Zipp, Nolte, Sayers, Parita and Martinez.

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 observed flooding to local emergency services or law 
enforcement and request they pass this information to the National 
Weather Service when you can do so safely.

&&

LAT...LON 2934 9822 2932 9831 2932 9839 2943 9839
      2958 9805 2954 9789 2945 9788 2936 9811
      2935 9815

FLASH FLOOD...RADAR AND GAUGE INDICATED
FLASH FLOOD DAMAGE THREAT...CONSIDERABLE

$$

BRADY
779 
WGUS54 KEWX 110933
FFWEWX
TXC029-187-493-111300-
/O.EXT.KEWX.FF.W.0030.000000T0000Z-221211T1300Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Austin/San Antonio TX
333 AM CST Sun Dec 11 2022

The National Weather Service in Austin/San Antonio has extended the

* Flash Flood Warning for...
  East Central Bexar County in south central Texas...
  Southwestern Guadalupe County in south central Texas...
  Northern Wilson County in south central Texas...

* Until 700 AM CST.

* At 333 AM CST, Doppler radar and automated rain gauges indicated 
  between 5 and 9 inches of rain have fallen. Flash flooding is 
  already occurring. While rainfall is ending, it will take several 
  more hours for water to recede.

  HAZARD...Life threatening flash flooding. Thunderstorms
           producing flash flooding.

  SOURCE...Radar and automated gauges.

  IMPACT...Life threatening flash flooding of creeks and streams.

* Some locations that will experience flash flooding include...
  St. Hedwig, China Grove, New Berlin, and Zuehl.

This includes the following streams and drainages...
  Martinez Creek, Cibolo Creek, Salitrillo Creek, and Women 
  Hollering Creek.

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.

Be aware of your surroundings and do not drive on flooded roads.

Please report observed flooding to local emergency services or law 
enforcement and request they pass this information to the National 
Weather Service when you can do so safely.

&&

LAT...LON 2934 9822 2932 9831 2932 9839 2943 9839
      2958 9805 2954 9789 2945 9788 2936 9811
      2935 9815

FLASH FLOOD...RADAR AND GAUGE INDICATED
FLASH FLOOD DAMAGE THREAT...CONSIDERABLE

$$

RUNYEN
429 
WGUS74 KEWX 111149
FFSEWX

Flash Flood Statement
National Weather Service Austin/San Antonio TX
549 AM CST Sun Dec 11 2022

TXC029-187-493-111300-
/O.CON.KEWX.FF.W.0030.000000T0000Z-221211T1300Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Bexar TX-Guadalupe TX-Wilson TX-
549 AM CST Sun Dec 11 2022

...FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 7 AM CST THIS MORNING 
FOR EAST CENTRAL BEXAR, SOUTHWESTERN GUADALUPE AND NORTHERN WILSON 
COUNTIES...

At 549 AM CST, Doppler radar and automated rain gauges indicated 
between 5 and 9 inches of rain have fallen. Flash flooding is 
already occurring with several low water crossings flooded. While 
rainfall is ending, it will additional time for water to recede.

HAZARD...Life threatening flash flooding.

SOURCE...Radar and automated gauges.

IMPACT...Life threatening flash flooding of creeks and streams.

Some locations that will experience flash flooding include...
  St. Hedwig, China Grove, New Berlin, and Zuehl.

This includes the following streams and drainages...
  Martinez Creek, Cibolo Creek, Salitrillo Creek, and Women 
  Hollering Creek.

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.

Be aware of your surroundings and do not drive on flooded roads.

Please report observed flooding to local emergency services or law 
enforcement and request they pass this information to the National 
Weather Service when you can do so safely.

&&

LAT...LON 2934 9822 2932 9831 2932 9839 2943 9839
      2958 9805 2954 9789 2945 9788 2936 9811
      2935 9815

FLASH FLOOD...RADAR AND GAUGE INDICATED
FLASH FLOOD DAMAGE THREAT...CONSIDERABLE

$$

RUNYEN
091 
WGUS54 KEWX 111242
FFWEWX
TXC029-187-493-111400-
/O.EXT.KEWX.FF.W.0030.000000T0000Z-221211T1400Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Austin/San Antonio TX
642 AM CST Sun Dec 11 2022

The National Weather Service in Austin/San Antonio has extended the

* Flash Flood Warning for...
  East Central Bexar County in south central Texas...
  Southwestern Guadalupe County in south central Texas...
  Northern Wilson County in south central Texas...

* Until 800 AM CST.

* At 642 AM CST, Doppler radar and automated rain gauges indicate 
  between 5 and 9 inches of rain fell overnight. Flash flooding is 
  already occurring. While rainfall has ended, it will additional 
  time for water to recede.

  HAZARD...Life threatening flash flooding.

  SOURCE...Radar and automated gauges.

  IMPACT...Life threatening flash flooding of creeks and streams.

* Some locations that will experience flash flooding include...
  St. Hedwig, China Grove, New Berlin, and Zuehl.

This includes the following streams and drainages...
  Martinez Creek, Cibolo Creek, Salitrillo Creek, and Women 
  Hollering Creek.

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.

Be aware of your surroundings and do not drive on flooded roads.

Please report observed flooding to local emergency services or law 
enforcement and request they pass this information to the National 
Weather Service when you can do so safely.

&&

LAT...LON 2934 9822 2932 9831 2932 9839 2943 9839
      2958 9805 2954 9789 2945 9788 2936 9811
      2935 9815

FLASH FLOOD...RADAR AND GAUGE INDICATED
FLASH FLOOD DAMAGE THREAT...CONSIDERABLE

$$

RUNYEN
986 
WGUS54 KEWX 111339
FFWEWX
TXC029-187-493-111500-
/O.EXT.KEWX.FF.W.0030.000000T0000Z-221211T1500Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Austin/San Antonio TX
739 AM CST Sun Dec 11 2022

The National Weather Service in Austin/San Antonio has extended the

* Flash Flood Warning for...
  East Central Bexar County in south central Texas...
  Southwestern Guadalupe County in south central Texas...
  Northern Wilson County in south central Texas...

* Until 900 AM CST.

* At 739 AM CST, Doppler radar and automated rain gauges indicated 
  thunderstorms producing heavy rain across the warned area. Between 
  5 and 9 inches of rain have fallen. Flash flooding is already 
  occurring.

  HAZARD...Life threatening flash flooding. Thunderstorms
           producing flash flooding.

  SOURCE...Radar and automated gauges.

  IMPACT...Life threatening flash flooding of creeks and streams,
           urban areas, highways, streets and underpasses.

* Some locations that will experience flash flooding include...
  San Antonio, Schertz, Seguin, Cibolo, McQueeney, St. Hedwig, La 
  Vernia, China Grove, New Berlin, Zuehl, Friendly Corner, Adkins, 
  Zipp, Nolte, Sayers, Parita and Martinez.

This includes the following streams and drainages...
  Chupaderas Creek, Elm Creek, Buzzard Creek, Cantau Creek, Salado 
  Creek, Martinez Creek, Konde Branch, Santa Clara Creek, Dry Santa 
  Clara Creek, Guadalupe River, Ecleto Creek, Salitrillo Creek, Dry 
  Hollow Creek, Escondido Creek, Parita Creek, Cibolo Creek, 
  Geronimo Creek, Rosillo Creek, Youngs Creek, Sandies Creek, East 
  Fork Ecleto Creek and Cottonwood Creek.

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.

Be aware of your surroundings and do not drive on flooded roads.

Please report observed flooding to local emergency services or law 
enforcement and request they pass this information to the National 
Weather Service when you can do so safely.

&&

LAT...LON 2934 9822 2932 9831 2932 9839 2943 9839
      2958 9805 2954 9789 2945 9788 2936 9811
      2935 9815

FLASH FLOOD...RADAR AND GAUGE INDICATED
FLASH FLOOD DAMAGE THREAT...CONSIDERABLE

$$

29
011 
WGUS74 KEWX 111502
FFSEWX

Flash Flood Statement
National Weather Service Austin/San Antonio TX
902 AM CST Sun Dec 11 2022

TXC029-187-493-111512-
/O.EXP.KEWX.FF.W.0030.000000T0000Z-221211T1500Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Bexar TX-Guadalupe TX-Wilson TX-
902 AM CST Sun Dec 11 2022

...FLASH FLOOD WARNING HAS EXPIRED FOR EAST CENTRAL BEXAR, 
SOUTHWESTERN GUADALUPE AND NORTHERN WILSON COUNTIES...

Flood waters are beginning to recede. Please continue to heed 
remaining road closures.

LAT...LON 2934 9822 2932 9831 2932 9839 2943 9839
      2958 9805 2954 9789 2945 9788 2936 9811
      2935 9815

$$

29

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 Austin/San Antonio, TX wrote its last area forecast discussion before this flash flood warning went out at Dec 10, 11:27 PM CST, 2 hours earlier.

Area forecast discussion, Dec 10, 11:27 PM CST, 2 hours before
Area Forecast Discussion
National Weather Service Austin/San Antonio TX
1127 PM CST Sat Dec 10 2022

...New AVIATION...

.UPDATE...
Issued at 725 PM CST Sat Dec 10 2022

Lowered the PoPs slightly across the Hill Country into the overnight
as the latest HRRR runs and the WRF-NSSL indicate that majority of
the activity develops along and east of the I-35 corridor where the
southward advancing front is expected to meet an ongoing region of
surface convergence extending from around I-35 into the Houston CWA.
SPC with the recent 01 UTC update of the Day 1 Convective Outlook
adjusted the marginal risk for tonight into coastal plains where the
models blossom the strongest convection in that region of stronger
surface convergence. WPC introduced a marginal risk as well this
afternoon for excessive rainfall for areas mainly along/east of I-35
and north of I-10 as these storms could be capable of producing a
quick 1 to 2 inches of rain with a few localized higher amounts
possible. Additionally, expanded patchy fog for across much of the
region into Sunday morning once the storms ends given lingering low-
level moisture levels with small dew point depressions and modest
post-frontal northerly winds.

&&

.SHORT TERM...
(Tonight through Sunday night)
Issued at 140 PM CST Sat Dec 10 2022

Synopsis/Mesoanalysis: 12 PM CST surface observations depict a slow-
moving cold front extending from the DFW Metroplex southwest into
the Edwards Plateau and Big Bend region. Warm, moist air is
entrenched to the south of the boundary, with most stations
reporting air temps in the mid 70s and dew points in the middle 60s.
Lower 80s have been noted over portions of the Coastal Plains.
Combined with low-level convergence along the slowly-progressing
frontal boundary, this air mass should help fuel scattered
thunderstorm development primarily to our north through the early
and middle afternoon hours. Augmented further by encroaching height
falls and DPVA affiliated with a shortwave trough currently centered
over Sonora, this activity should persist through the overnight
hours tonight, impacting locations primarily along and east of US
281 between midnight and daybreak Sunday morning. Despite a weak
northerly wind shift behind the departing front, warm and muggy
conditions will continue through the duration of the short term
period.

This Afternoon: Although the encroaching cold front will still be
situated to our north, showers and isolated thunderstorms can't be
ruled out along and east of I-35 and I-37. Recent radar and
satellite trends have indicated several attempts at convective
initiation over this portion of the CWA, each being thwarted by a
capping inversion evident in the 12Z DRT RAOB and composite
soundings from AUS and SAT Intl Airports. Nevertheless, short term
model guidance suggests that the cap will erode with continued
surface heating, boundary layer moistening, and approaching pre-
frontal convergence through the late afternoon and early evening
hours, likely explaining the development of isolated convection just
ahead of the front in these solutions. Have thus accounted for this
potential in the afternoon update. Though certainly not widespread,
an isolated strong/severe storm is possible with this prefrontal
activity, with damaging wind gusts in excess of 60 MPH and hail
exceeding quarter size being the primary concerns.

Tonight: Anticipate a gradual increase in thunderstorm coverage
along/east of US 281 as the Sonora shortwave begins to overspread
the region. Like this afternoon, an isolated severe thunderstorm is
possible as this activity moves through. Given a predominantly
linear convective mode arising from parallel alignment between the
deep layer flow and advancing surface front, damaging wind gusts
reaching/exceeding 60 MPH will be the primary hazard in any severe
storm. While secondary to damaging winds, an isolated tornado can't
be ruled out, particularly in any location where surface winds can
back out of the east-southeast. The Storm Prediction Center has thus
continued to carry a marginal (level 1/5) risk for severe weather
over the eastern CWA in light of this potential.

Tomorrow-Tomorrow Night: Conditions will remain muggy despite the
passage of the front. Many locations in the Coastal Plains, Winter
Garden, and portions of the I-35 corridor will see patchy fog
through the mid morning hours Sunday. Some of said fog could become
dense. Sunday highs should be a touch cooler than today with pesky
cloud cover sticking around into the late afternoon hours. Mild lows
and additional patchy fog will be possible Sunday night into early
Monday morning.

&&

.LONG TERM...
(Monday through Saturday)
Issued at 140 PM CST Sat Dec 10 2022

Southerly flow will return quickly on Monday as lee side surface
cyclogenesis develops ahead of a deep slow-moving low level trough
in the western CONUS. 850mb winds near 25-30 knots will lead to weak
ascent from warm-air advection. Forecast soundings show a decent
moist layer with adequate lapse rates for some isolated light rain
showers or perhaps some drizzle Monday afternoon. Will forecast 10-
20 PoPs for areas mainly east of the Highway 281 corridor. Things
should dry out for Monday night, but a Pacific front will move east
into the areas late Monday night into Tuesday morning and will bring
with it a chance for deeper convection. Should see a decent coverage
of showers and thunderstorms along and just behind this frontal
boundary for areas mainly north of a Kerrville to New Braunfels to
Cuero line. The best areas of forcing will be well to our north and
therefore not expecting much in the way of strong storms or heavy
rainfall from this activity. Rainfall amounts will generally average
less than a quarter of an inch.

Things will dry out Tuesday night with a dry forecast then expected
for the remainder of the long-term forecast period. Temperatures in
the extended will begin warm with highs in the upper 60s to near 80
on Monday and Tuesday. Should see slightly cooler temps behind the
front on Wednesday with highs in the 60s to near 70. A stronger
front is expected on Thursday and highs Friday and Saturday should
be in the upper 40s to 50s across the area. No rain is expected with
this front. Low temperatures in the period will follow the same
trend as the highs, starting off well above normal, before returning
back into the 30s to lower 40s Friday and Saturday.

&&

.AVIATION...
(06Z TAFS)
Issued at 1109 PM CST Sat Dec 10 2022

Isolated to scattered convection has developed along and just east
of the I-35 corridor in advance of a southward moving front that is
now located just south of Austin. For the I-35 TAF sites (KAUS, KSAT,
KSSF), I'll keep VCTS in the forecast into the early morning hours.
MVFR ceilings are also in place at the I-35 TAF sites at the present
time and are forecast to lower into the IFR to perhaps LIFR range
around or just after sunrise. Some reductions in visibility will be
possible as well. Forecast improves into Sunday afternoon with the
dry forecast and ceilings improving back to MVFR levels. Conditions
then deteriorate again from Sunday night into early Monday morning
with returning IFR to near LIFR ceilings and fog. Winds will remain
mainly below 10 knots from out of the north-northeast.

KDRT will expected to remain dry but the current VFR conditions are
expected to deteriorate as ceilings and visibility lowers into the
MVFR to IFR range. Flight conditions improve slightly during Sunday
afternoon before declining back to prevailing IFR levels on Sunday
night. Light northwesterly winds trend into Sunday before becoming
more easterly from Sunday afternoon into Sunday night

&&

.PRELIMINARY POINT TEMPS/POPS...
Austin Camp Mabry              61  68  59  73 /  50  10  10  10
Austin Bergstrom Intl Airport  61  70  59  74 /  60  10  10  10
New Braunfels Muni Airport     63  70  60  76 /  70  10  10  10
Burnet Muni Airport            58  65  56  70 /  50   0   0  10
Del Rio Intl Airport           61  73  62  77 /  10  10  10   0
Georgetown Muni Airport        60  67  57  72 /  50  10   0  10
Hondo Muni Airport             62  73  60  75 /  20  10  10  10
San Marcos Muni Airport        62  71  60  75 /  70  10  10  10
La Grange - Fayette Regional   64  72  60  76 /  70  40   0  10
San Antonio Intl Airport       62  71  60  74 /  50  10  10  20
Stinson Muni Airport           64  72  62  76 /  60  20  10  20

&&

.EWX WATCHES/WARNINGS/ADVISORIES...
None.
&&

Short-Term...Brady
Long-Term...29
Aviation...Brady
Hazardous weather outlook, Dec 10, 7:53 PM CST, 5 hours 34 minutes before
Hazardous Weather Outlook
National Weather Service Austin/San Antonio TX
753 PM CST Sat Dec 10 2022

TXZ171>173-183>194-202>209-217>225-228-120200-
Llano-Burnet-Williamson-Val Verde-Edwards-Real-Kerr-Bandera-
Gillespie-Kendall-Blanco-Hays-Travis-Bastrop-Lee-Kinney-Uvalde-
Medina-Bexar-Comal-Guadalupe-Caldwell-Fayette-Maverick-Zavala-
Frio-Atascosa-Wilson-Karnes-Gonzales-De Witt-Lavaca-Dimmit-
753 PM CST Sat Dec 10 2022

This Hazardous Weather Outlook is for South-Central Texas..

.DAY ONE...Tonight.

Showers and scattered thunderstorms will be expected across
portions of South-Central Texas, especially along and east of I-35
into and through the overnight hours. Isolated storms may become
strong to severe across the Coastal Plains with damaging wind
gusts and small hail possible. There is also low end risk for a
brief tornado.

.DAYS TWO THROUGH SEVEN...Sunday through Friday.

Areas of fog are possible early Monday morning across portions of
South-Central Texas. Fog may become locally dense.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not anticipated.

In the hours before

Special weather statement, Dec 11, 12:01 AM CST, 1 hour 26 minutes before
Special Weather Statement
National Weather Service Austin/San Antonio TX
1201 AM CST Sun Dec 11 2022

TXZ193-208-110645-
Caldwell TX-Bastrop TX-
1201 AM CST Sun Dec 11 2022

...A strong thunderstorm will impact portions of central Caldwell and
southwestern Bastrop Counties through 1245 AM CST...

At 1200 AM CST, Doppler radar was tracking a strong thunderstorm near
Lockhart, moving east at 10 mph.

HAZARD...Winds in excess of 40 mph and penny size hail.

SOURCE...Radar indicated.

IMPACT...Gusty winds could knock down tree limbs and blow around
         unsecured objects. Minor damage to outdoor objects is
         possible.

Locations impacted include...
Lockhart, Brownsboro, Delhi, Tilmon, Rockne, String Prairie,
Watterson, Red Rock, McMahan, Lytton Springs, Dale, Bateman, St John
Colony and Taylorsville.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building.

Torrential rainfall is also occurring with this storm and may lead to
localized flooding. Do not drive your vehicle through flooded
roadways.

This storm may intensify, so be certain to monitor local radio
stations and available television stations for additional information
and possible warnings from the National Weather Service.

&&

LAT...LON 2976 9763 2993 9770 3008 9741 2982 9729
TIME...MOT...LOC 0600Z 250DEG 10KT 2988 9759

MAX HAIL SIZE...0.75 IN
MAX WIND GUST...40 MPH

BRADY
Special weather statement, Dec 11, 12:13 AM CST, 1 hour 14 minutes before
Special Weather Statement
National Weather Service Austin/San Antonio TX
1213 AM CST Sun Dec 11 2022

TXZ205-207-221-110700-
Guadalupe TX-Bexar TX-Wilson TX-
1213 AM CST Sun Dec 11 2022

...A strong thunderstorm will impact portions of southwestern
Guadalupe, north central Wilson and east central Bexar Counties
through 100 AM CST...

At 1212 AM CST, Doppler radar was tracking a strong thunderstorm over
New Berlin, or 7 miles southeast of Cibolo, moving east at 20 mph.

HAZARD...Winds in excess of 40 mph and penny size hail.

SOURCE...Radar indicated.

IMPACT...Gusty winds could knock down tree limbs and blow around
         unsecured objects. Minor damage to outdoor objects is
         possible.

Locations impacted include...
Schertz, Seguin, Cibolo, McQueeney, St. Hedwig, La Vernia, Marion,
New Berlin, Zuehl, Geronimo, Nolte, Zipp and Friendly Corner.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building.

Torrential rainfall is also occurring with this storm and may lead to
localized flooding. Do not drive your vehicle through flooded
roadways.

This storm may intensify, so be certain to monitor local radio
stations and available television stations for additional information
and possible warnings from the National Weather Service.

&&

LAT...LON 2943 9780 2934 9821 2951 9827 2968 9790
      2944 9779
TIME...MOT...LOC 0612Z 249DEG 16KT 2947 9813

MAX HAIL SIZE...0.75 IN
MAX WIND GUST...40 MPH

BRADY
Local storm report, Dec 11, 12:54 AM CST, 33 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
1254 AM CST SUN DEC 11 2022

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

1254 AM     HAIL             5 ENE NEW BERLIN        29.48N 98.02W
12/11/2022  M1.00 INCH       GUADALUPE          TX   TRAINED SPOTTER

&&
Special weather statement, Dec 11, 1:13 AM CST, 14 minutes before
Special Weather Statement
National Weather Service Austin/San Antonio TX
113 AM CST Sun Dec 11 2022

TXZ207-223-110800-
Guadalupe TX-Gonzales TX-
113 AM CST Sun Dec 11 2022

...A strong thunderstorm will impact portions of southeastern
Guadalupe and west central Gonzales Counties through 200 AM CST...

At 113 AM CST, Doppler radar was tracking a strong thunderstorm near
Seguin, moving east at 15 mph.

HAZARD...Wind gusts up to 50 mph and penny size hail.

SOURCE...Radar indicated.

IMPACT...Gusty winds could knock down tree limbs and blow around
         unsecured objects. Minor damage to outdoor objects is
         possible.

Locations impacted include...
Seguin, Kingsbury, Belmont, Leesville and Bebe.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building.

Torrential rainfall is also occurring with this storm and may lead to
localized flooding. Do not drive your vehicle through flooded
roadways.

Frequent cloud to ground lightning is occurring with this storm.
Lightning can strike 10 miles away from a thunderstorm. Seek a safe
shelter inside a building or vehicle.

&&

LAT...LON 2939 9799 2953 9802 2967 9769 2940 9763
TIME...MOT...LOC 0713Z 260DEG 12KT 2950 9793

MAX HAIL SIZE...0.75 IN
MAX WIND GUST...50 MPH

BRADY

The office that day

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

IssuedProductOfficeCountiesLasted
Dec 10, 8:57 PM CSTAreal Flood AdvisoryEWXCaldwell3 hr
Dec 10, 9:09 PM CSTAreal Flood AdvisoryEWXBastrop3 hr
Dec 10, 11:53 PM CSTAreal Flood AdvisoryEWXTravis2 hr
Dec 11, 12:01 AM CSTSpecial Weather StatementEWXCaldwell44 min
Dec 11, 12:08 AM CSTAreal Flood AdvisoryEWXCaldwell112 min
Dec 11, 12:13 AM CSTSpecial Weather StatementEWXGuadalupe47 min
Dec 11, 12:24 AM CSTSevere Thunderstorm WarningEWXGuadalupe51 min
Dec 11, 12:32 AM CSTAreal Flood AdvisoryEWXBexar, Guadalupe118 min
Dec 11, 1:13 AM CSTSpecial Weather StatementEWXGuadalupe47 min
Dec 11, 2:06 AM CSTSpecial Weather StatementEWXFayette39 min
Dec 11, 2:07 AM CSTSpecial Weather StatementEWXGonzales53 min
Dec 11, 2:35 AM CSTSpecial Weather StatementEWXFayette25 min
Dec 11, 2:42 AM CSTAreal Flood AdvisoryEWXFayette, Gonzales, Guadalupe3 hr
Dec 11, 5:39 AM CSTSpecial Weather StatementEWXDeWitt36 min
Dec 11, 7:41 AM CSTRiver Flood WarningEWXKarnes, Wilson24 hr
Dec 11, 12:54 PM CSTRiver Flood WarningEWXKarnes25 hr

Nearby

Flash Flood Warnings in Texas, 2022Every flash flood warning in 2022

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.