Thunderstorm Wind, Harper
- When
- June 28, 9:05 PM CST
- Where
- Harper County, Buffalo
- Measured
- 52 kt (60 mph) estimated gust
- Property damage
- $100
- Reported by
- LAW ENFORCEMENT
- Coordinates
- 36.833, -99.617
Several tree limbs were downed.
2 high wind, 1 thunderstorm wind, as filed by the National Weather Service.
Every event with a place to put it; 2 filed by county or forecast zone are drawn at its center, in a lighter ring. Tap one for its entry below.
Deaths and injuries are direct and indirect together, as the offices filed them. Damage is property and crops in the dollars of the year, not adjusted for inflation, and only where an office estimated it.
The local office's own words before the first event, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Norman, OK wrote its last area forecast discussion before the first event at Jun 28, 2:25 PM CST, 6 hours 40 minutes earlier.
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE NORMAN OKLAHOMA 325 PM CDT SAT JUN 28 2003 MORNING CONVECTION ACROSS WOODS COUNTY IN NORTHERN OKLAHOMA... EXTENDING INTO SOUTH CENTRAL KANSAS... HAS DISSIPATED DURING THE AFTERNOON AS THE LOW LEVEL JET DIMINISHED. HOWEVER... ADDITIONAL DEVELOPMENT ALONG THE RESIDUAL WEAK OUTFLOW BOUNDARY IN NORTHERN OKLAHOMA IS NOT OUT OF THE QUESTION. SATELLITE INDICATES CU FIELD PILING UP NEAR THE BOUNDARY EXTENDING FROM HARPER COUNTY SOUTHEAST INTO BLAINE COUNTY. MODERATE TO STRONG INSTABILITY AND RELATIVELY WEAK CAP EXISTS ACROSS THE REGION THIS AFTERNOON. ANY STORMS THAT DEVELOP WILL TEND TO MOVE TO THE SOUTH OR SOUTHEAST DURING THE LATE AFTERNOON/EVENING HOURS. MEANWHILE... SCATTERED TSTMS WERE BEGINNING TO DEVELOP IN UPSLOPE FLOW OVER OVER EASTERN COLORADO. THIS ACTIVITY WILL MOVE SOUTHEAST... WITH SOME OF THE REMNANTS POSSIBLY REACHING NORTHERN OKLAHOMA LATE TONIGHT. A SURFACE TROUGH IN KANSAS IS EXPECTED TO DRIFT SOUTH INTO NORTHERN OKLAHOMA ON SUNDAY. THIS FEATURE... ALONG WITH A RESIDUAL OUTFLOW BOUNDARY THAT IS EXPECTED TO DEVELOP FROM AN OVERNIGHT MCS IN THE CENTRAL PLAINS... COULD ACT AS A FOCUS FOR TSTM DEVELOPMENT BY SUNDAY AFTERNOON. AVN IS A LITTLE MORE AGRESSIVE IN PUSHING THE SURFACE TROUGH INTO SOUTHEAST OKLAHOMA...WHILE ETA IS WEAKER AND SLOWER. ETA KF HOLDS THE MIDDLE GROUND AND APPEARS TO BE A REASONABLE COMPROMISE. PCPN CHANCES EXPECTED TO DIMINISH BY LATE MONDAY AS LOW LEVEL BOUNDARIES AND UPPER LEVEL FLOW WEAKEN. HOWEVER... A FEW SHWRS/TSTMS COULD LINGER INTO WEDNESDAY OVER SOUTHEAST OKLAHOMA AS A WEAK UPPER TROUGH DEVELOPS OVER EASTERN TEXAS AND SOUTHEAST OKLAHOMA. CURRENT TEMP FORECASTS GENERALLY LOOK GOOD AND MADE ONLY MINOR ADJUSTMENTS TO THEM. OKC 66 89 67 86 / 10 20 40 20 HBR 68 91 66 87 / 10 20 40 20 SPS 68 92 69 90 / 10 10 20 20 GAG 66 87 62 84 / 50 40 30 5 PNC 67 87 66 85 / 30 50 40 20 DUA 66 89 68 89 / 10 5 10 20 FORECAST ID = 32 .OUN... OK...NONE. TX...NONE.
OKZ004>048-050>052-TXZ083>090-291200-
HAZARDOUS WEATHER OUTLOOK...UPDATED...
NATIONAL WEATHER SERVICE NORMAN OK
350 PM CDT SAT JUN 28 2003
THIS HAZARDOUS WEATHER OUTLOOK COVERS NORTHERN...WESTERN...
CENTRAL...AND SOUTHERN OKLAHOMA...AND WESTERN NORTH TEXAS.
.DAY ONE...TODAY AND TONIGHT...
THUNDERSTORM OUTLOOK...
THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS ACROSS THE NORTHWEST
HALF OF OKLAHOMA THROUGH TONIGHT.
LOCATION...
THE SLIGHT RISK AREA IS NORTHWEST OF A LINE FROM PONCA CITY... TO
EL RENO... TO CHICKASHA... TO HOLLIS.
RECOMMENDED ACTIONS...
STORM SPOTTER GROUPS AND EMERGENCY MANAGEMENT PERSONNEL ACROSS THE
RISK AREA SHOULD BE PREPARED FOR SEVERE WEATHER OPERATIONS THROUGH
TONIGHT.
DISCUSSION...
THUNDERSTORMS OVER NORTHERN OKLAHOMA EARLIER THIS AFTERNOON HAVE
DISSIPATED. THE RESIDUAL OUTFLOW BOUNDARY FROM THESE STORMS
EXTENDED FROM NEAR KINGFISHER... NORTHWESTWARD TO FAIRVIEW... TO
NEAR BUFFALO AND INTO SOUTHWEST KANSAS WHERE IT INTERSECTED WITH A
SYNOPTIC SCALE BOUNDARY THAT EXTENDED INTO EASTERN COLORADO. THE
AIRMASS ALONG AND SOUTH OF THESE BOUNDARIES HAS BECOME EXTREMELY
UNSTABLE THIS AFTERNOON... WITH CAPE VALUES IN EXCESS OF 4500 J/KG.
ALTHOUGH DEEP LAYER WIND SHEAR IS SOMEWHAT WEAK... SHEAR WILL BE
STRONG ENOUGH FOR MULTICELL SEVERE STORMS... AND PERHAPS A COUPLE OF
H-P TYPE SUPERCELLS GIVEN THE EXTREME INSTABILITY.
A FEW THUNDERSTORMS HAVE ALREADY DEVELOPED ALONG THE BOUNDARY IN
EASTERN COLORADO... AND ADDITIONAL STORMS ARE LIKELY TO FORM DURING
THE LATE AFTERNOON AND EVENING FROM EASTERN COLORADO INTO NORTHWEST
OKLAHOMA AND MOVE SLOWLY SOUTH OR SOUTHWEST. ADDITIONAL STORMS THAT
FORM FARTHER NORTH... MAY ALSO MOVE INTO NORTHERN OKLAHOMA LATE
TONIGHT IN NORTHWEST FLOW ALOFT. LARGE HAIL UP TO THE SIZE OF GOLF
BALLS AND WINDS UP TO 70 MPH WILL BE POSSIBLE WITH THE STRONGEST
STORMS.
PROBABILITY TABLE...
VALID THROUGH 700 AM CDT SUNDAY JUN 29.
PROBABILITY OF THUNDERSTORMS OCCURRING IN THE
NWS NORMAN COUNTY WARNING AREA...100 PERCENT.
PROBABILITY OF SEVERE STORMS IF STORMS OCCUR...90 PERCENT.
OTHER HAZARDOUS WEATHER...
SLOW STORM MOTION THIS EVENING AND OVERNIGHT MAY RESULT IN LOCALLY
HEAVY RAINFALL WITH THE STRONGEST STORMS.
.DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY...
THUNDERSTORM OUTLOOK...
CHANCES FOR THUNDERSTORMS WILL CONTINUE ACROSS PORTIONS OF OKLAHOMA
THROUGH MONDAY NIGHT.
OTHER HAZARDOUS WEATHER...
NONE
THE NEXT SCHEDULED HAZARDOUS WEATHER OUTLOOK WILL BE ISSUED AT 7 AM
SUNDAY MORNING.
MILLERThe Dodge City radar (KDDC), 108 km away, was scanning. The volume nearest the first event began at 03:06 UTC.
2 high wind, 1 thunderstorm wind. Local standard time, as filed.
Several tree limbs were downed.
Wind gusts ranging from 60 mph to 71 mph were measured at the Oklahoma mesonet site 2 WSW Woodward. These winds occurred during the development of a wake-low along the Oklahoma-Kansas state line. A line of thunderstorms moved through the area with a gap of about 60 miles of no precipitation between the line of storms and an area of stratiform rain. These winds occurred as the stratiform rain moved into the area.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Oklahoma in 2003Every state in 2003This day in weather historyWarnings in Oklahoma, June 2003
NOAA National Centers for Environmental Information, Storm Events Database, compiled from the National Weather Service’s monthly Storm Data. Complete through 2026-06; NCEI adds each month about 75 days after it ends and revises past years a few times a year. Rebuilt 2026-09-24. Each event’s entry at NCEI: 5362761, 5362762, 5362763.