Alert archive / Arkansas / Flash Flood Warnings in 1999

Flash Flood Warning 76, NWS Tulsa, OK

June 29, 1999Crawford County, Franklin County, Arkansas

NWS Tulsa, OK issued this flash flood warning at Jun 29, 1999, 4:22 PM CDT for Crawford County, Franklin County, Arkansas. 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 the Iowa Environmental Mesonet reconstructed for it; the warning itself named whole counties.

The facts

Issued
Jun 29, 1999, 4:22 PM CDT (21:22 UTC)
Expired
Jun 29, 1999, 6:30 PM CDT
In force
2 hr
Issued by
NWS Tulsa, OK
Area
Whole counties; the outline is the Mesonet’s reconstruction

Counties Crawford County, AR, Franklin County, AR

The nearest sounding before it

Springfield, MO (KSGF), launched 12:00Z, 9.4 hours before the alert went out and 157 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, Springfield, MO at 12:00Z on 1999-06-29Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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, Springfield, MO at 12:00Z on 1999-06-29The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -73 square meters per square second.193958Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1069 m above ground
0-6 km bulk shear
33 kt
0-1 km storm-relative helicity
-73 m²/s²
0-3 km storm-relative helicity
65 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KTUL 292126
FFWTUL
ARC033-047-292330-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE TULSA OK
422 PM CDT TUE JUN 29 1999

THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A

* FLASH FLOOD WARNING FOR
  CRAWFORD COUNTY IN NORTHWEST ARKANSAS
  FRANKLIN COUNTY IN NORTHWEST ARKANSAS

* UNTIL 630 PM CDT

* AT 422 PM CDT...NATIONAL WEATHER SERVICE RADAR INDICATED 
THUNDERSTORMS PRODUCING HEAVY RAINFALL OVER MUCH OF CRAWFORD AND 
FRANKLIN COUNTIES.  THESE STORMS WILL CONTINUE MOVING EAST AND WILL 
BE CAPABLE OF PRODUCING ANOTHER 2 INCHES OF RAINFALL OVER THE NEXT 
FEW HOURS.  HIGHWAY 64 NEAR DYER IN CRAWFORD COUNTY WAS IMPASSABLE.

LEE CREEK...RUDY...FIGURE FIVE...DYER...CHESTER...CEDARVILLE...
ALMA...MOUNTAINBURG...FERN...MULBERRY AND OZARK AND ADJACENT
COMMUNITIES MAY BE AFFECTED BY FLASH FLOODING.

A FLASH FLOOD WARNING MEANS THAT FLOODING IS OCCURRING OR IS
IMMINENT. MOST FLASH FLOOD DEATHS OCCUR IN AUTOMOBILES. DO NOT
ATTEMPT TO CROSS BRIDGES...DIPS...OR OTHER LOW SPOTS IF WATER COVERS
THE ROADWAY. NEVER TRY TO CROSS A FLOWING STREAM...EVEN A SMALL
ONE...ON FOOT. TO ESCAPE RISING WATER MOVE UP TO HIGHER GROUND.

DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE
ROADWAY. THE WATER MAY BE TOO DEEP TO ALLOW YOUR CAR TO CROSS SAFELY.
VEHICLES CAUGHT IN RISING WATER SHOULD BE ABANDONED QUICKLY. MOVE TO
HIGHER GROUND.

LAT...LON 3553 9441 3528 9402 3535 9385 3563 9373
          3575 9437

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 Tulsa, OK wrote its last area forecast discussion before this flash flood warning went out at Jun 29, 3:55 PM CDT, 27 minutes earlier.

Area forecast discussion, Jun 29, 3:55 PM CDT, 27 minutes before
EASTERN OKLAHOMA/NORTHWEST ARKANSAS FORECAST DISCUSSION
NATIONAL WEATHER SERVICE TULSA OK
355 PM CDT TUE JUN 29 1999

PROBLEM(S) OF THE DAY:
WILL THERE BE SEVERE CONVECTION?
HOW MUCH RAIN WILL FALL?
POPS
TEMPERATURES

STRONG TO SEVERE THUNDERSTORMS MOVING ACROSS SE OK AND WC AR THIS
AFTERNOON. SFC BOUNDARY WAS DEPICTED TO BE MOVING BACK NORTH AND WAS
ROUGHLY ALONG A MLC TO FSM LINE AS OF EARLY AFTERNOON...BUT CHAOTIC
WIND FIELDS RESULTING FROM THIS AFTERNOONS CONVECTION HAS MADE THIS
BOUNDARY NEARLY IMPOSSIBLE TO FIND. CONVECTION BLOSSOMED WHEN IT
ENCOUNTERED THE UNSTABLE MOIST AIRMASS SOUTH OF THE BOUNDARY. FAIRLY
RAPID CLEARING TAKING PLACE IN WRN ZONES...AND THINK MOST PLACES WILL
BE PARTLY CLOUDY BY THIS EVENING AS THE UPPER LEVEL DISTURBANCE PULLS
EAST.

ATTENTION TURNS TO POTENTIAL MCS DEVELOPMENT TONIGHT. NGM FINALLY HAS
PICKED UP ON THIS FEATURE...BUT STILL THINK AVN AND ETA HAVE A BETTER
HANDLE. ETA DEVELOPS 2 DISTINCT AREAS OF ACTIVITY WITH THE STRONGER
OF THE 2 AFFECTING CENTRAL AND WRN OK. THE OTHER ONE DEVELOPS IN
KANSAS AND LOOKS TO AFFECT  MAINLY ARKANSAS ZONES. WILL GO LIKELY
POPS EVERYWHERE TONIGHT BUT HIT WRN ZONES SLIGHTLY HARDER WITH BEST
LIFT AND HIGHEST INSTABILITIES EXPECTED IN THAT VICINITY. NEW
QUESTION THAT COMES INTO PLAY IS WILL ATMOSPHERE WHERE CONVECTION
CURRENTLY IS RECOVER FAST ENOUGH SUPPORT ADDITIONAL TSRA LATE
TONIGHT/TOMORROW MORNING?  WILL GO AHEAD AND BROADBRUSH ALL AREAS
WITH CHANCE POPS TOMORROW SINCE OUTFLOW BOUNDARIES FROM OVERNIGHT
CONVECTION COULD BE FOUND JUST ABOUT ANYWHERE ACROSS THE FA. ANOTHER
MCS IS POSSIBLE AGAIN TOMORROW NIGHT...WITH SIMILAR EAST SOUTHEAST
MOVEMENT EXPECTED. LOOKS LIKE DEVELOPMENT WOULD TAKE PLACE FURTHER
EAST...PLACING FAR ERN OK AND NW AR IN BEST POSITION TO SEE THIS
ACTIVITY OVERNIGHT WEDNESDAY INTO THURSDAY. WILL KEEPS POPS IN FOR
THURSDAY/THURSDAY NIGHT AS ONCE AGAIN OUTFLOW BOUNDARIES COULD SERVE
AS A FOCUS FOR AFTERNOON AND EVENING CONVECTION.

IN THE EXTENDED...H5 RIDGE ANS WARM MID LEVEL TEMPS BUILDS IN WHICH
SHOULD SUPPRESS TSRA ACTIVITY. WILL KEEP ALL PERIODS OF EXTENDED DRY.

FCSTID = 23
TUL   71  81  71  90 /  70  50  40  30
FSM   72  83  71  91 /  60  50  40  30
MLC   73  84  71  91 /  70  50  30  20
BVO   70  81  70  90 /  70  50  40  30
FYV   69  79  68  87 /  60  50  50  30
IDB   71  87  70  92 /  60  50  30  20
BYV   69  79  68  87 /  60  50  50  30
MIO   69  80  69  88 /  60  50  50  30
MKO   71  82  71  90 /  60  50  40  30
F10   71  81  71  90 /  70  50  40  30
HHW   71  87  70  92 /  60  50  30  20

.TUL...
AR...SEVERE THUNDERSTORM WATCH UNTIL 700 PM CDT TUESDAY FOR ZONES
ARZ019>020...ARZ029.

OK...SEVERE THUNDERSTORM WATCH UNTIL 700 PM CDT TUESDAY FOR ZONES
OKZ049...OKZ053...OKZ060...OKZ064>076...OKZ077.

--------------------
EXPERIMENTAL OUTPUT:

HAZARDOUS WEATHER EXPECTED NEXT 24 HOURS: CHANCE NONE
NGM CONFIDENCE:  5 ON A SCALE OF 0 TO 10
ETA CONFIDENCE:  7 ON A SCALE OF 0 TO 10
AVN CONFIDENCE:  6 ON A SCALE OF 0 TO 10
FCST CONFIDENCE: 7 ON A SCALE OF 0 TO 10

In the hours before

Special weather statement, Jun 29, 4:05 PM CDT, 17 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
405 PM CDT TUE JUN 29 1999

OKZ060-064>071-073>075-300000-
A SEVERE THUNDERSTORM WATCH IS NO LONGER IN EFFECT FOR THE FOLLOWING
COUNTIES IN

EASTERN OKLAHOMA.
         CHEROKEE            CREEK               HASKELL
         LATIMER             MCINTOSH            MUSKOGEE
         ADAIR               OKFUSKEE            OKMULGEE
         PITTSBURG           TULSA               WAGONER

THUNDERSTORMS THAT PROMPTED THE WATCH HAVE MOVED EAST OF THE AREA.

ARZ019-020-029-OKZ049-053-072-076-300000-
A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 700 PM CDT
TUESDAY FOR THE FOLLOWING COUNTIES IN

EASTERN OKLAHOMA...
         LE FLORE            PUSHMATAHA          SEQUOYAH
         CHOCTAW

NORTHWEST ARKANSAS...
         FRANKLIN            CRAWFORD            SEBASTIAN
Special weather statement, Jun 29, 4:05 PM CDT, 17 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
405 PM CDT TUE JUN 29 1999

OKZ060-064>071-073>075-300000-
A SEVERE THUNDERSTORM WATCH IS NO LONGER IN EFFECT FOR THE FOLLOWING
COUNTIES IN

EASTERN OKLAHOMA.
         CHEROKEE            CREEK               HASKELL
         LATIMER             MCINTOSH            MUSKOGEE
         ADAIR               OKFUSKEE            OKMULGEE
         PITTSBURG           TULSA               WAGONER

THUNDERSTORMS THAT PROMPTED THE WATCH HAVE MOVED EAST OF THE AREA.

ARZ019-020-029-OKZ049-053-072-076-300000-
A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 700 PM CDT
TUESDAY FOR THE FOLLOWING COUNTIES IN

EASTERN OKLAHOMA...
         LE FLORE            PUSHMATAHA          SEQUOYAH
         CHOCTAW

NORTHWEST ARKANSAS...
         FRANKLIN            CRAWFORD            SEBASTIAN
Local storm report, Jun 29, 4:06 PM CDT, 16 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TULSA OK
406 PM CDT TUE JUN 29 1999

TIME(CDT)  .....CITY LOCATION..... STATE   ...EVENT/REMARKS...
           ....COUNTY LOCATION....

0402 PM    CHARLESTON                AR    65 MPH TSTM GUST
06/29/99   FRANKLIN
Local storm report, Jun 29, 4:06 PM CDT, 16 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TULSA OK
406 PM CDT TUE JUN 29 1999

TIME(CDT)  .....CITY LOCATION..... STATE   ...EVENT/REMARKS...
           ....COUNTY LOCATION....

0402 PM    CHARLESTON                AR    65 MPH TSTM GUST
06/29/99   FRANKLIN
Local storm report, Jun 29, 4:12 PM CDT, 10 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TULSA OK
412 PM CDT TUE JUN 29 1999

TIME(CDT)  .....CITY LOCATION..... STATE   ...EVENT/REMARKS...
           ....COUNTY LOCATION....

0405 PM    (FSM)FT SMITH MUNI ARPT   AR    WIND DAMAGE
06/29/99   SEBASTIAN                       AIR GUARD OUTBUILDING
                                           DESTROYED

0405 PM    BARLING                   AR    WIND DAMAGE
06/29/99   SEBASTIAN                       TREES DOWN
Local storm report, Jun 29, 4:12 PM CDT, 10 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TULSA OK
412 PM CDT TUE JUN 29 1999

TIME(CDT)  .....CITY LOCATION..... STATE   ...EVENT/REMARKS...
           ....COUNTY LOCATION....

0405 PM    (FSM)FT SMITH MUNI ARPT   AR    WIND DAMAGE
06/29/99   SEBASTIAN                       AIR GUARD OUTBUILDING
                                           DESTROYED

0405 PM    BARLING                   AR    WIND DAMAGE
06/29/99   SEBASTIAN                       TREES DOWN

The office that day

Everything else NWS Tulsa, OK issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jun 29, 3:15 PM CDTSevere Thunderstorm WarningTSACrawford, Sebastian60 min
Jun 29, 3:51 PM CDTSevere Thunderstorm WarningTSAFranklin39 min

Nearby

Flash Flood Warnings in Arkansas, 1999Every flash flood warning in 1999

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.