Alert archive / North Carolina / Flash Flood Warnings in 2009

Flash Flood Warning 12, NWS Greenville-Spartanburg, SC

May 26, 2009Burke County, North Carolina

NWS Greenville-Spartanburg, SC issued this flash flood warning at May 26, 2009, 3:49 AM EDT for Burke County, North Carolina. It was in force for 3 hr. 2 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
May 26, 2009, 3:49 AM EDT (07:49 UTC)
Expired
May 26, 2009, 6:45 AM EDT
In force
3 hr
Issued by
NWS Greenville-Spartanburg, SC
Area
Storm-based polygon
Flood severity
None

County Burke County, NC

The radar

The Greer radar (KGSP), 107 km from the middle of the area, began a volume at 07:52 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
May 26, 4:57 AM EDTFLASH FLOOD7 Se Morganton, NCSIX INCHES OF WATER OVER NC 18 NEAR ST JOHN CH RD.
May 26, 5:40 AM EDTFLASH FLOOD7 Se Morganton, NCCULVERT WASHED AGAINST BRIDGE AT SUGARLOAF RD AND ROCK FALLS RD.

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 2 storm reports to this flash flood warning; the first came 68 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

Greensboro/Hi Pt, NC (KGSO), launched 00:00Z, 7.8 hours before the alert went out and 156 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, Greensboro/Hi Pt, NC at 00:00Z on 2009-05-26Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 592 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, Greensboro/Hi Pt, NC at 00:00Z on 2009-05-26The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -47 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
592 J/kg
Mixed-layer CIN
-8 J/kg
Mixed-layer LCL
742 m above ground
0-6 km bulk shear
3 kt
0-1 km storm-relative helicity
-47 m²/s²
0-3 km storm-relative helicity
-10 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 
WGUS52 KGSP 260749
FFWGSP
NCC023-261045-
/O.NEW.KGSP.FF.W.0012.090526T0749Z-090526T1045Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
349 AM EDT TUE MAY 26 2009

THE NATIONAL WEATHER SERVICE IN GREENVILLE-SPARTANBURG HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  SOUTHEASTERN BURKE COUNTY IN WESTERN NORTH CAROLINA...

* UNTIL 645 AM EDT

* AT 346 AM EDT...TORRENTIAL RAIN PRODUCING THUNDERSTORMS HAVE       
  PRODUCED LOCALLY IN EXCESS OF 3 INCHES OF RAIN EARLY THIS          
  MORNING AROUND THE SOUTH MOUNTAINS VICINITY...AND VERY HEAVY
  RAIN WILL SLOWLY MOVE NORTH EAST EASTERN BURKE COUNTY. 

* HEAVY RAIN NEAR PLEASANT GROVE AREA WILL LIKELY CAUSE THE HENRY    
  FORK RIVER TO RISE RAPIDLY AND OVERFLOW ITS BANKS.  FLOODING IN    
  LOW LYING AREAS ALONG THE RIVER WILL BE POSSIBLE ESPECIALLY ON     
  RIVER ROAD AND WALKER CHAPEL ROAD. 

LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO HILDEBRAN   
AND DREXEL.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FLASH FLOOD WARNING MEANS THAT FLOODING IS IMMINENT OR OCCURRING.
IF YOU ARE IN THE WARNING AREA MOVE TO HIGHER GROUND IMMEDIATELY.
RESIDENTS LIVING ALONG STREAMS AND CREEKS SHOULD TAKE IMMEDIATE
PRECAUTIONS TO PROTECT LIFE AND PROPERTY. DO NOT DRIVE YOUR VEHICLE
INTO AREAS WHERE THE WATER COVERS THE ROADWAY. EVEN MODERN SPORT
UTILITY VEHICLES CANNOT BE SAFELY DRIVEN THROUGH FLOOD WATERS.

TO REPORT HIGH WATER...FLOODING...MUDSLIDES...LANDSLIDES OR OTHER
SEVERE WEATHER THROUGH OUR AUTOMATED REPORTING SYSTEM...CALL OUR TOLL
FREE NUMBER...1 8 7 7...6 3 3...6 7 7 2.

&&

LAT...LON 3578 8156 3578 8146 3575 8139 3565 8145
      3561 8150 3556 8152 3555 8155 3556 8158
      3556 8167 3560 8172 3574 8167 3581 8161
      3581 8159

$$
2 follow-up statements
000 
WGUS72 KGSP 260843
FFSGSP

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
443 AM EDT TUE MAY 26 2009

NCC023-261045-
/O.CON.KGSP.FF.W.0012.000000T0000Z-090526T1045Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BURKE NC-
443 AM EDT TUE MAY 26 2009

...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 645 AM EDT FOR
SOUTHEASTERN BURKE COUNTY...

AT 435 AM EDT...RADAR INDICATED THAT RAINFALL ACROSS THE SOUTH 
MOUNTAINS HAD FINALLY WOUND DOWN...BUT NOT BEFORE A LOCAL 3 TO 5 
INCH RAINFALL HAD OCCURRED.

A LARGE AMOUNT OF RUNOFF WILL CONTINUE THROUGH DAYBREAK WITH STREAM 
RISES THROUGHOUT THE HENRY AND JACOB FORK DRAINAGES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODING. IF FLASH FLOODING IS OBSERVED ACT QUICKLY. MOVE
UP TO HIGHER GROUND TO ESCAPE FLOOD WATERS. DO NOT STAY IN AREAS
SUBJECT TO FLOODING WHEN WATER BEGINS RISING.

TO REPORT FLOODING...HAVE THE NEAREST LAW ENFORCEMENT AGENCY RELAY
YOUR REPORT TO THE NATIONAL WEATHER SERVICE FORECAST OFFICE IN
GREENVILLE-SPARTANBURG.

&&

LAT...LON 3578 8156 3578 8146 3575 8139 3565 8145
      3561 8150 3556 8152 3555 8155 3556 8158
      3556 8167 3560 8172 3574 8167 3581 8161
      3581 8159

$$

CSH
000 
WGUS72 KGSP 260951
FFSGSP

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
551 AM EDT TUE MAY 26 2009

NCC023-261045-
/O.CON.KGSP.FF.W.0012.000000T0000Z-090526T1045Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BURKE NC-
551 AM EDT TUE MAY 26 2009

...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 645 AM EDT FOR
SOUTHEASTERN BURKE COUNTY...

AT 548 AM EDT...RADAR INDICATED THAT RAINFALL ACROSS THE WARNED AREA 
HAD ENDED BUT A LARGE AMOUNT OF RUNOFF WILL CONTINUE THROUGH 
DAYBREAK RESULTING IN STREAM RISES THROUGHOUT THE HENRY AND JACOB 
FORK DRAINAGES. EVEN THOUGH LOCALLY HEAVY SHOWERS COULD REDEVELOP
EARLY THIS MORNING...THE WARNING IS EXPECTED TO EXPIRE ON SCHEDULE. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL
CREEKS AND STREAMS...COUNTRY ROADS...AS WELL AS FARMLAND ALONG THE
BANKS OF CREEKS AND STREAMS.

TO REPORT FLOODING...HAVE THE NEAREST LAW ENFORCEMENT AGENCY RELAY
YOUR REPORT TO THE NATIONAL WEATHER SERVICE FORECAST OFFICE IN
GREENVILLE-SPARTANBURG.

&&

LAT...LON 3578 8156 3578 8146 3575 8139 3565 8145
      3561 8150 3556 8152 3555 8155 3556 8158
      3556 8167 3560 8172 3574 8167 3581 8161
      3581 8159

$$

CSH

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 Greenville-Spartanburg, SC wrote its last area forecast discussion before this flash flood warning went out at May 26, 2:58 AM EDT, 51 minutes earlier.

Area forecast discussion, May 26, 2:58 AM EDT, 51 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
258 AM EDT TUE MAY 26 2009

.SYNOPSIS...
A MOIST TROPICAL AIRMASS WILL REMAIN IN PLACE ACROSS THE AREA
THROUGH THE LATE WEEK. A COLD FRONT WILL APPROACH THE REGION FROM
THE NORTHWEST LATE THURSDAY...THEN SETTLE SLOWLY SOUTHEAST OF THE
AREA THROUGH FRIDAY NIGHT. DRY HIGH PRESSURE WILL THEN SET UP THE
REST OF THE WEEKEND.

&&

.NEAR TERM /THROUGH TONIGHT/...
THE WV IMAGERY LOOKS MUCH THE SAME AS IT DID THIS TIME YSTDY...DEEP
AND MOIST SOUTHERLY FLOW ACRS THE SE CONUS...WELL DOWNSTREAM OF A
MIDWEST VORTEX. 00 UTC OBSERVED AREA SNDGS ALSO HAVE CHANGED
LITTLE...VERY MOIST THROUGHOUT THE COLUMN AND PWATS ABOUT 160
PERCENT OF NORMAL. IT IS NOT TAKING MUCH TO MAINTAIN HEAVY SHOWERS
AND ISOLATED TSTMS EARLY THIS MORNING...JUST ENOUGH TERRAIN LIFT AND
DEEP MOISTURE MAKING UP FOR THE LACK OF LARGER SCALE LIFT. WITH SOME
HEATING TODAY...EXPECTING DEEP CONVECTION TO REINVIGORATE AND EXPAND
AS THE MEAN PATTERN REMAINS VIRTUALLY UNCHANGED. LOCALIZED HEAVY TO
EXCESSIVE RAINFALL TO BE THE GREATEST THREAT JUST ABOUT ANYWHERE
ACRS THE CWFA. OP MODEL AND SREF CONSENSUS PROGS A QPF MAXIMUM ALONG
AND JUST EAST OF THE BLUE RIDGE AND INTO THE CAROLINA/NE GA FTHLS
INTO TONIGHT. KGSP STP SHOWS THAT THE ANTECEDENT CONDS ACRS THIS
AREA IS RIPE AS WELL...SO WITH THE HIGH PROBABILITY OF ADDITIONAL
HEAVY SHOWERS...FEEL THAT A FFA WOULD NOT BE A BAD IDEA. SO...THE
SENSIBLE WX WILL FEATURE SCATTERED TO NUMEROUS MORNING SHOWERS
BLOSSOMING TO NUMEROUS HEAVY SHOWERS AND EMBEDDED TSTMS AS THE
DAY WEARS ON AND LASTING INTO THE EVENING. SINCE THE FLOW CONTINUES
TO FEATURE A SSE DIRECTION...ESPECIALLY IN THE LLVLS...AT LEAST
SCATTERED HEAVY CONVECTIVE ACTIVITY SHOULD LINGER THRU TONIGHT.

&&

.SHORT TERM /WEDNESDAY THROUGH FRIDAY NIGHT/...
AS OF 300 AM TUESDAY...MOIST SOUTHERLY FLOW WILL CONTINUE ACROSS THE
REGION THROUGH THE DAY ON WEDNESDAY. WITH LOCAL TERRAIN ENHANCEMENT
OF THE PRECIPITATION EXPECTED ACROSS THE EXTREME SOUTHERN MTNS AND
ALONG AND EAST OF THE BLUE RIDGE...WILL CONTINUE THE FLASH FLOOD
WATCH THROUGH WEDNESDAY AFTERNOON. THE FORECAST MODELS AGREE FAIRLY
WELL WITH THE TROPICAL LOOKING SYSTEM OVER THE OFFSHORE WATERS
MOVING NORTHWARD EAST OF THE OUTER BANKS THROUGH WED NIGHT. COVERAGE
WILL REMAIN IN THE LIKELY RANGE ACROSS THE FORECAST
AREA...HOWEVER...AS SOUTHERLY FLOW PROVIDES JUST ENOUGH TRIGGERING
IN THE SATURATED AIRMASS.

850 MB FLOW WILL FINALLY VEER TO WESTERLY WED NIGHT INTO THU AS LOW
PRES MOVES ACROSS THE SRN GREAT LAKES. THE DEVELOPING DOWNSLOPE FLOW
WILL ALLOW SLIGHTLY BETTER HEATING...AND DOWNSLOPE WARMING WILL PUSH
TEMPERATURES AT LEAST A COUPLE OF CATEGORIES HIGHER FOR THU AFTN
MAXES. A COLD FRONT WILL THEN APPROACH THE MTNS FROM THE NW LATE
THURSDAY...AND MOVE SLOWLY ACROSS THE FORECAST AREA ON FRIDAY. SOLID
CHANCE POPS WILL BE FEATURED WITH THE FROPA...AND TEMPS WILL COOL
SLIGHTLY FOR FRI AFTN.

&&

.LONG TERM /SATURDAY THROUGH MONDAY/...
AS OF 300 AM TUESDAY...SLOW DRYING FROM THE WEST IS INDICATED ON
SATURDAY AS WEAK HIGH PRES BUILDS INTO THE AREA BEHIND THE FRONT
DEPARTING TO THE SOUTHEAST. ANOTHER BACKDOOR FRONT WILL SETTLE JUST
NORTH OF THE AREA ON SUNDAY...BUT THEN RETURN NORTHWARD AS A WARM
FRONT ON MONDAY. A SOUTHERLY RETURN FLOW WILL SET UP AROUND BERMUDA
HIGH PRES MONDAY AFTN. SLIGHT CHANCES OF CONVECTION WILL DEVELOP
ACROSS THE SRN APPALACHIANS MONDAY AFTN. TEMPERATURES WILL REMAIN
SLIGHTLY ABOVE NORMAL THROUGH THE PERIOD.

&&

.AVIATION /07Z TUESDAY THROUGH SATURDAY/...
THE COMBINATION OF DEEP SOUTHERLY FLOW AND TROPICAL LIKE MOISTURE
CONTINUES TO RESULT IN NUMEROUS TO SCATTERED SHOWERS AND TSTMS EVEN
AT THIS LATE NITE HOUR. ONE WOULD EXPECT DIMINISHING CVRG AS THE
EARLY MORNING HOURS CREEP BY...BUT STILL CANNOT RULE OUT SHOWERS
AFFECTING THE TERMINALS...AT LEAST BRIEFLY THROUGH DAYBREAK.
OTHERWISE...THE THREAT OF LOW CIGS...DOWN TO IFR LVL...LOOKS LIKELY
AGAIN THROUGHOUT THE PRE-DAWN HOURS AND LINGERING THROUGH
MID-MORNING. PLANNING ON VFR CONDITIONS AT ALL LOCATIONS BY THIS
AFTERNOON AND DEEP CONVECTIVE CVRG RETURNING TO NUMEROUS INTO THE
EVENING.

AT KCLT...WILL PLAN ON JUST VCSH OVERNIGHT AS BEST CONVECTIVE CVRG
SHOULD REMAIN NORTHWEST OF THE TERMINAL. NUMERICAL GUIDANCE IS IN
GOOD AGREEMENT IN DEVELOPING LATE NIGHT/PRE-DAWN IFR CIGS...JUST
LIKE WHAT OCCURRED MONDAY MORNING. RESTRICTIVE CIGS SHOULD IMPROVE
FROM MID-MORNING ONWARD WITH CHANCES INCREASING AGAIN THAT SHOWERS
AND TSTMS WILL AFFECT THE TERMINAL INTO THE EVENING HOURS.

OUTLOOK...SCATTERED TO NUMEROUS SHOWERS WILL CONTINUE TO BE POSSIBLE
AT JUST ABOUT ANY TIME THROUGH THURSDAY...AND MVFR DAYTIME TO IFR
NIGHTTIME CEILINGS POSSIBLE. A COLD FRONT IS EXPECTED TO MOVE
THROUGH THE AREA LATE IN THE WEEK...BRINGING DRIER WEATHER FOR THE
WEEKEND.

&&

.GSP WATCHES/WARNINGS/ADVISORIES...
GA...FLASH FLOOD WATCH THROUGH WEDNESDAY AFTERNOON FOR GAZ010-017.
NC...FLASH FLOOD WATCH THROUGH WEDNESDAY AFTERNOON FOR NCZ062>065-
     501>510.
SC...FLASH FLOOD WATCH THROUGH WEDNESDAY AFTERNOON FOR SCZ001-002-
     004-005.

&&

SYNOPSIS...HG
NEAR TERM...CSH
SHORT TERM...HG
LONG TERM...HG
AVIATION...CSH
Hazardous weather outlook, May 26, 3:44 AM EDT, 5 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
344 AM EDT TUE MAY 26 2009

GAZ010-017-NCZ062>065-501>510-SCZ001-002-004-005-270745-
RABUN-HABERSHAM-MACON-SOUTHERN JACKSON-TRANSYLVANIA-HENDERSON-
CALDWELL MOUNTAINS-GREATER CALDWELL-BURKE MOUNTAINS-GREATER BURKE-
MCDOWELL MOUNTAINS-EASTERN MCDOWELL-RUTHERFORD MOUNTAINS-
GREATER RUTHERFORD-POLK MOUNTAINS-EASTERN POLK-OCONEE MOUNTAINS-
PICKENS MOUNTAINS-GREATER OCONEE-GREATER PICKENS-
344 AM EDT TUE MAY 26 2009

...FLASH FLOOD WATCH IN EFFECT THROUGH WEDNESDAY AFTERNOON...

THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTHEAST GEORGIA...WESTERN
NORTH CAROLINA AND UPSTATE SOUTH CAROLINA.

.DAY ONE...TODAY AND TONIGHT.

PLEASE LISTEN TO NOAA WEATHER RADIO OR GO TO WEATHER.GOV ON THE
INTERNET FOR MORE INFORMATION ABOUT THE FOLLOWING HAZARDS.

   FLASH FLOOD WATCH.

.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY.

PLEASE LISTEN TO NOAA WEATHER RADIO OR GO TO WEATHER.GOV ON THE
INTERNET FOR MORE INFORMATION ABOUT THE FOLLOWING HAZARDS.

   FLASH FLOOD WATCH.

.SPOTTER INFORMATION STATEMENT...

SPOTTERS MAY BE NEEDED TO RELAY EXCESSIVE RAINFALL REPORTS OR
REPORTS OF FLASH FLOODING.

GAZ018-026-028-029-NCZ033-035>037-048>053-056>059-068>072-082-SCZ003-
006>014-019-270745-
STEPHENS-FRANKLIN-HART-ELBERT-AVERY-ALEXANDER-IREDELL-DAVIE-MADISON-
YANCEY-MITCHELL-SWAIN-HAYWOOD-BUNCOMBE-CATAWBA-ROWAN-GRAHAM-
NORTHERN JACKSON-CLEVELAND-LINCOLN-GASTON-MECKLENBURG-CABARRUS-
UNION NC-GREENVILLE MOUNTAINS-GREATER GREENVILLE-SPARTANBURG-
CHEROKEE-YORK-ANDERSON-ABBEVILLE-LAURENS-UNION SC-CHESTER-GREENWOOD-
344 AM EDT TUE MAY 26 2009

THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTHEAST GEORGIA...PIEDMONT
NORTH CAROLINA...WESTERN NORTH CAROLINA AND UPSTATE SOUTH CAROLINA.

.DAY ONE...TODAY AND TONIGHT.

SHOWERS AND THUNDERSTORMS WILL DEVELOP ACROSS THE WESTERN
CAROLINAS AND NORTHEAST GEORGIA TODAY AND TONIGHT. ANY SHOWERS
THAT DEVELOP IN THIS TROPICAL AIRMASS WILL HAVE THE POTENTIAL TO
PRODUCE LOCALLY VERY HEAVY RAINFALL. ISOLATED FLOODING COULD
DEVELOP IN AREAS THAT REPEATEDLY EXPERIENCE SHOWERS.

.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY.

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.SPOTTER INFORMATION STATEMENT...

NONE.

HG

In the hours before

Special weather statement, May 26, 12:49 AM EDT, 3 hours before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
1249 AM EDT TUE MAY 26 2009

NCZ064-SCZ002-003-260530-
GREENVILLE MOUNTAINS-PICKENS MOUNTAINS-TRANSYLVANIA-
1249 AM EDT TUE MAY 26 2009

...A STRONG THUNDERSTORM WILL AFFECT NORTHWESTERN
GREENVILLE...NORTHERN PICKENS AND TRANSYLVANIA COUNTIES THROUGH 130
AM EDT...

AT 1248 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STRONG THUNDERSTORM 4 MILES SOUTH OF ROCKY BOTTOM...OR 9 MILES
NORTHWEST OF PICKENS...MOVING NORTH AT 20 MPH.

THIS STORM WILL BE NEAR...
  ROCKY BOTTOM...
  TABLE ROCK RESERVOIR...
  ROSMAN...
  BREVARD...

PEA SIZE HAIL...AND WIND GUSTS OF 30 TO 40 MPH ARE EXPECTED WITH THIS
STORM.

HEAVY RAINS MAY FLOOD LOW LYING AREAS SUCH AS DITCHES AND
UNDERPASSES. AVOID THESE AREAS AND DO NOT CROSS FLOODED ROADS. WATER
LEVELS OF SMALL STREAMS AND RIVERS MAY ALSO RISE. SEEK HIGHER GROUND
IF THREATENED BY FLOOD WATERS.

HG
Special weather statement, May 26, 1:54 AM EDT, 1 hour 55 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
154 AM EDT TUE MAY 26 2009

NCZ504-260645-
GREATER BURKE-
154 AM EDT TUE MAY 26 2009

...A STRONG THUNDERSTORM PRODUCING HIGH RAIN FALL RATES WILL AFFECT
SOUTHEASTERN BURKE COUNTY...

AT 148 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STRONG THUNDERSTORM 8 MILES NORTH OF CASAR PRODUCING RAIN FALL RATES
ON THE ORDER OF 1 TO 2 INCHES PER HOUR. THIS STORM IS MOVING
NORTHWEST AT 15 MILES PER HOUR...SO NO IMMEDIATE FLOODING CONCERN IS
HAD AT THIS TIME. HOWEVER...IF THIS STORM BECOMES STATIONARY AND
REMAINS STRONG A FLOOD ADVISORY OR FLASH FLOOD WARNING MAY BECOME
NECESSARY. THE NATIONAL WEATHER SERVICE WILL CONTINUE TO MONITOR
THIS SITUATION.

HEAVY RAINS MAY FLOOD LOW LYING AREAS SUCH AS DITCHES AND
UNDERPASSES. AVOID THESE AREAS AND DO NOT CROSS FLOODED ROADS. WATER
LEVELS OF SMALL STREAMS AND RIVERS MAY ALSO RISE...THEREFORE SEEK
HIGHER GROUND IF THREATENED BY FLOOD WATERS.

KRENTZ
Special weather statement, May 26, 2:21 AM EDT, 1 hour 28 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
221 AM EDT TUE MAY 26 2009

GAZ010-260715-
RABUN-
221 AM EDT TUE MAY 26 2009

...HEAVY RAINS TO AFFECT RABUN COUNTY...

AT 218 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STRONG THUNDERSTORM NEAR LAKE RABUN...PRODUCING RAIN FALL RATES ON
THE ORDER OF 1 TO 2 INCHES PER HOUR. THIS STORM IS MOVING NORTHWEST
AT AROUND 10 MILES PER HOUR...SO NO IMMEDIATE FLOODING CONCERN IS
HAD AT THIS TIME. HOWEVER...IF THIS STORM SLOWS OR BECOMES
STATIONARY AND REMAINS STRONG...A FLOOD ADVISORY OR FLASH FLOOD
WARNING MAY BECOME NECESSARY. THE NATIONAL WEATHER SERVICE WILL
CONTINUE TO MONITOR THIS SITUATION.

HEAVY RAINS MAY FLOOD LOW LYING AREAS SUCH AS DITCHES AND
UNDERPASSES. AVOID THESE AREAS AND DO NOT CROSS FLOODED ROADS. WATER
LEVELS OF SMALL STREAMS AND RIVERS MAY ALSO RISE...THEREFORE SEEK
HIGHER GROUND IF THREATENED BY FLOOD WATERS.

KRENTZ
Special weather statement, May 26, 2:53 AM EDT, 56 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
253 AM EDT TUE MAY 26 2009

NCZ056-260745-
CATAWBA-
253 AM EDT TUE MAY 26 2009

...A STRONG THUNDERSTORM WILL AFFECT EASTERN CATAWBA COUNTY THROUGH
345 AM EDT...

AT 250 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STRONG THUNDERSTORM 7 MILES NORTHWEST OF TERRELL PRODUCING HEAVY
RAIN FALL RATES AND MOVING NORTH AT 10 MPH.

THIS STORM IS MOVING...SO NO IMMEDIATE FLOODING CONCERN IS HAD AT
THIS TIME. HOWEVER...IF THIS STORM SLOWS OR BECOMES STATIONARY WHILE
REMAINING STRONG...A FLOOD ADVISORY OR FLASH FLOOD WARNING MAY BECOME
NECESSARY. THE NATIONAL WEATHER SERVICE WILL CONTINUE TO MONITOR
THIS SITUATION.

HEAVY RAINS MAY FLOOD LOW LYING AREAS SUCH AS DITCHES AND
UNDERPASSES. AVOID THESE AREAS AND DO NOT CROSS FLOODED ROADS. WATER
LEVELS OF SMALL STREAMS AND RIVERS MAY ALSO RISE...THEREFORE SEEK
HIGHER GROUND IF THREATENED BY FLOOD WATERS.

KRENTZ
Special weather statement, May 26, 3:01 AM EDT, 48 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
301 AM EDT TUE MAY 26 2009

NCZ501-502-261000-
CALDWELL MOUNTAINS-GREATER CALDWELL-
301 AM EDT TUE MAY 26 2009

...HEAVY RAIN PRODUCING THUNDERSTORMS WILL DEVELOP ACROSS CALDWELL
COUNTY THROUGH 600 AM EDT...

AT 358 AM EDT...TORRENTIAL RAIN PRODUCING THUNDERSTORMS ACROSS BURKE
AND ALEXANDER COUNTIES HAVE THE POTENTIAL TO DEVELOP AND SPREAD
ACROSS CALDWELL COUNTY DURING THE PRE-DAWN HOURS.

THE ATMOSPHERE IS MOIST AND WEAKLY UNSTABLE...RIPE FOR THE
DEVELOPMENT OF LOCALLY HEAVY AND/OR EXCESSIVE RAINFALL. STAY TUNED
FOR FURTHER STATEMENTS...AND PERHAPS ADVISORIES OR WARNINGS.

HEAVY RAINS MAY FLOOD LOW LYING AREAS SUCH AS DITCHES AND
UNDERPASSES. AVOID THESE AREAS AND DO NOT CROSS FLOODED ROADS. WATER
LEVELS OF SMALL STREAMS AND RIVERS MAY ALSO RISE...THEREFORE SEEK
HIGHER GROUND IF THREATENED BY FLOOD WATERS.

CSH
Special weather statement, May 26, 3:43 AM EDT, 6 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
343 AM EDT TUE MAY 26 2009

SCZ007-260845-
SPARTANBURG-
343 AM EDT TUE MAY 26 2009

...LOCALLY HEAVY RAIN PRODUCING THUNDERSTORMS TO AFFECT NORTHERN
SPARTANBURG COUNTY THROUGH 445 AM EDT...

AT 340 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
HEAVY THUNDERSTORMS AROUND SPARTANBURG...ROEBUCK AND BOILING
SPRINGS...MOVING NORTH AT 15 MPH.

* RAINFALL RATES OF 1 TO 2 INCHES PER HOUR WILL AFFECT THE ADVISED
  AREAS THROUGH THE PRE-DAWN HOURS. BE ON THE LOOKOUT FOR REDUCED
  VISIBILITIES FROM HEAVY RAIN AND PONDING OF WATER ON ROADS.

HEAVY RAINS MAY FLOOD LOW LYING AREAS SUCH AS DITCHES AND
UNDERPASSES. AVOID THESE AREAS AND DO NOT CROSS FLOODED ROADS. WATER
LEVELS OF SMALL STREAMS AND RIVERS MAY ALSO RISE...THEREFORE SEEK
HIGHER GROUND IF THREATENED BY FLOOD WATERS.

CSH

The office that day

Everything else NWS Greenville-Spartanburg, SC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
May 25, 9:54 PM EDTAreal Flood AdvisoryGSPBurke, Caldwell111 min
May 25, 11:43 PM EDTAreal Flood AdvisoryGSPMcDowell47 min
May 26, 12:46 AM EDTAreal Flood AdvisoryGSPMcDowell59 min
May 26, 1:30 AM EDTAreal Flood AdvisoryGSPTransylvania3 hr
May 26, 2:04 AM EDTAreal Flood AdvisoryGSPBurke3 hr
May 26, 3:04 AM EDTAreal Flood AdvisoryGSPCatawba116 min
May 26, 3:24 AM EDTAreal Flood AdvisoryGSPAlexander111 min
May 26, 3:41 AM EDTFlash Flood WatchGSPBurke, Caldwell, Henderson, Jackson, McDowell, Macon and 3 more38 hr
May 26, 5:10 AM EDTAreal Flood AdvisoryGSPRutherford3 hr
May 26, 5:17 AM EDTAreal Flood AdvisoryGSPAlexander118 min
May 26, 8:23 AM EDTFlash Flood WarningGSPAlexander, Iredell3 hr
May 26, 10:11 AM EDTAreal Flood AdvisoryGSPCleveland3 hr
May 26, 3:09 PM EDTFlash Flood WarningGSPIredell3 hr
May 26, 6:15 PM EDTAreal Flood AdvisoryGSPGaston, Lincoln105 min
May 26, 7:25 PM EDTAreal Flood AdvisoryGSPCleveland50 min

Nearby

Flash Flood Warnings in North Carolina, 2009Every flash flood warning in 2009

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.