Alert archive / Texas / Mesoscale Discussions in 2007

Mesoscale Discussion 1010

June 5, 200719 counties in Texas

The Storm Prediction Center issued this mesoscale discussion at Jun 5, 2007, 10:40 AM CDT for 19 counties in Texas. It was in force for 95 min.

The area

The outline as issued.

The facts

Issued
Jun 5, 2007, 10:40 AM CDT (15:40 UTC)
Expired
Jun 5, 2007, 12:15 PM CDT
In force
95 min
Issued by
the Storm Prediction Center

Counties Aransas County, TX, Atascosa County, TX, Bee County, TX, Calhoun County, TX, DeWitt County, TX, Duval County, TX, Frio County, TX, Goliad County, TX, Jim Wells County, TX, Karnes County, TX, Kleberg County, TX, La Salle County, TX, Live Oak County, TX, McMullen County, TX, Nueces County, TX, Refugio County, TX, San Patricio County, TX, Victoria County, TX, Wilson County, TX

The radar

The Corpus Christi radar (KCRP), 80 km from the middle of the area, began a volume at 15:42 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.

The nearest sounding before it

Corpus Christi, TX (KCRP), launched 12:00Z, 3.7 hours before the alert went out and 94 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 2007-06-05Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2234 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 2007-06-05The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -15 square meters per square second.1939Sfc1 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
2234 J/kg
Mixed-layer CIN
-64 J/kg
Mixed-layer LCL
848 m above ground
0-6 km bulk shear
31 kt
0-1 km storm-relative helicity
-15 m²/s²
0-3 km storm-relative helicity
80 m²/s²
Significant tornado parameter
0.5
Supercell composite
4.2

Open this sounding in Storm Lab

The text

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

000 
ACUS11 KWNS 051540
SWOMCD
SPC MCD 051540 
TXZ000-051715-

MESOSCALE DISCUSSION 1010
NWS STORM PREDICTION CENTER NORMAN OK
1040 AM CDT TUE JUN 05 2007

AREAS AFFECTED...SERN TX

CONCERNING...SEVERE THUNDERSTORM WATCH 346...

VALID 051540Z - 051715Z

THE SEVERE WEATHER THREAT FOR SEVERE THUNDERSTORM WATCH 346
CONTINUES.

MATURE MCS/MCC CONTINUES TO MOVE EWD THROUGH SERN TX WITH LEADING
BOW ECHO PRESENTLY MOVING OFFSHORE. LARGE STRATIFORM RAIN AREA HAS
DEVELOPED IN WAKE OF LEADING CONVECTIVE LINE WITH MODERATE/HEAVY
RAINFALL EXPECTED TO CONTINUE INTO THE LATE MORNING.

LARGE SCALE DAMAGING WIND THREAT WILL DIMINISH RAPIDLY AS BOW MOVES
OFFSHORE. HOWEVER ISOLATED SEVERE THREAT CONTINUES ALONG NERN
SECTIONS OF WW 346 ...SPECIFICALLY KARNES... DEWITT...VICTORIA...AND
CALHOUN CONTINUES...WHERE SBCAPE OF 1500 TO 2000 J/KG IN MODERATELY
SHEARED ENVIRONMENT WILL CONTINUE TO SUPPORT MARGINALLY SEVERE
HAIL/LOCALLY DAMAGING DOWNBURST WINDS THROUGH 17 UTC.

..BRIGHT.. 06/05/2007

...PLEASE SEE WWW.SPC.NOAA.GOV FOR GRAPHIC PRODUCT...

ATTN...WFO...HGX...CRP...EWX...

29109892 29289823 29329735 29109685 28679652 28249661
27769677 27419706 27269743 27479860 27789928 28139951
28709939

SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jun 4, 7:19 PM CDTMesoscale DiscussionSPCAndrews, Crane, Culberson, Ector, Gaines, Hudspeth and 7 more56 min
Jun 5, 2:01 AM CDTMesoscale DiscussionSPCDimmit, Frio, Kinney, Maverick, Medina, Terrell and 3 more59 min
Jun 5, 5:13 AM CDTSevere Thunderstorm WatchSPCAransas, Atascosa, Bandera, Bee, Bexar, Calhoun and 29 more7 hr
Jun 5, 7:21 AM CDTMesoscale DiscussionSPCAransas, Atascosa, Bandera, Bee, Bexar, Calhoun and 26 more84 min

Nearby

Mesoscale Discussions in Texas, 2007Every mesoscale discussion in 2007

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.