Alert archive / North Carolina / Flash Flood Warnings in 2015

Flash Flood Warning 30, NWS Raleigh, NC

December 30, 20154 counties in North Carolina

NWS Raleigh, NC issued this flash flood warning at Dec 30, 2015, 1:34 PM EST for 4 counties in North Carolina. It was in force for 5 hr. 1 report 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 30, 2015, 1:34 PM EST (18:34 UTC)
Expired
Dec 30, 2015, 6:30 PM EST
In force
5 hr
Issued by
NWS Raleigh, NC
Area
Storm-based polygon
Flood severity
None

Counties Davidson County, NC, Forsyth County, NC, Guilford County, NC, Randolph County, NC

The radar

The Roanoke radar (KFCX), 118 km from the middle of the area, began a volume at 18:39 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 30, 2:20 PM ESTFLASH FLOOD1 Ese Greensboro, NCSEVERAL STREETS FLOODED IN GREENSBORO 1-2 PM DUE TO HEAVY RAIN...BACK OPEN NOW

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 46 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 12:00Z, 6.6 hours before the alert went out and 42 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 12:00Z on 2015-12-30Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 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 12:00Z on 2015-12-30The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 166 square meters per square second.1939587897Sfc1 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
1236 m above ground
0-6 km bulk shear
53 kt
0-1 km storm-relative helicity
166 m²/s²
0-3 km storm-relative helicity
174 m²/s²
Significant tornado parameter
0.0
Supercell composite
-0.1

Open this sounding in Storm Lab

The text

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

948 
WGUS52 KRAH 301834
FFWRAH
NCC057-067-081-151-302330-
/O.NEW.KRAH.FF.W.0030.151230T1834Z-151230T2330Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE RALEIGH NC
134 PM EST WED DEC 30 2015

THE NATIONAL WEATHER SERVICE IN RALEIGH HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  FORSYTH COUNTY IN CENTRAL NORTH CAROLINA...
  GUILFORD COUNTY IN CENTRAL NORTH CAROLINA...
  NORTHERN RANDOLPH COUNTY IN CENTRAL NORTH CAROLINA...
  DAVIDSON COUNTY IN CENTRAL NORTH CAROLINA...

* UNTIL 630 PM EST
    
* AT 133 PM EST...DOPPLER RADAR INDICATED THUNDERSTORMS THAT WERE
  CONTINUOUSLY REDEVELOPING ACROSS THE WARNED AREA. ONE TO ONE AND A
  HALF INCHES OF RAIN HAS ALREADY FALLEN. AS STORMS CONTINUE TO MOVE
  OVER THE AREA...ANOTHER ONE TO TWO INCHES OF RAIN WILL BE
  POSSIBLE. FLASH FLOODING IS EXPECTED TO BEGIN SHORTLY.

* SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
  GREENSBORO...WINSTON-SALEM...HIGH POINT...LEXINGTON...RANDLEMAN...
  THOMASVILLE...KERNERSVILLE...CLEMMONS...BERMUDA RUN AND HUNTSVILLE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

EXCESSIVE RUNOFF FROM THE HEAVY RAIN WILL CAUSE FLASH FLOODING OF
CREEKS AND STREAMS...ROADS...LOW LYING AND POOR DRAINAGE AREAS. DO
NOT DRIVE YOUR VEHICLE INTO AREAS WHERE WATER COVERS THE ROAD. MANY
ROADS AND INTERSECTIONS IN THE AREA WILL QUICKLY FLOOD. WHEN
ENCOUNTERING FLOODED ROADS...TURN AROUND...DONT DROWN.

TURN AROUND...DONT DROWN WHEN ENCOUNTERING FLOODED ROADS. MOST FLOOD
DEATHS OCCUR IN VEHICLES.

&&

LAT...LON 3611 8050 3614 8044 3622 8043 3626 8045
      3624 7953 3588 7955 3563 8028 3568 8033
      3572 8033 3574 8046 3584 8049 3584 8039
      3588 8042 3589 8037 3596 8038 3599 8042
      3601 8042 3606 8046 3604 8049 3608 8052

$$

KRD
2 follow-up statements
503 
WGUS72 KRAH 302112
FFSRAH

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE RALEIGH NC
412 PM EST WED DEC 30 2015

NCC067-081-302119-
/O.CAN.KRAH.FF.W.0030.000000T0000Z-151230T2330Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
FORSYTH NC-GUILFORD NC-
412 PM EST WED DEC 30 2015

...THE FLASH FLOOD WARNING FOR FORSYTH AND GUILFORD COUNTIES IS
CANCELLED...

THE HEAVY RAIN HAS ENDED...AND FLOODING IS NO LONGER EXPECTED TO POSE
A THREAT. 

LAT...LON 3583 8043 3585 8039 3587 8039 3588 8042
      3589 8037 3596 8038 3597 8039 3600 8032
      3600 8022 3603 8021 3601 8005 3592 8004
      3590 7955 3588 7955 3563 8027 3568 8033
      3572 8033 3574 8046 3577 8045 3583 8049

$$

NCC057-151-302330-
/O.CON.KRAH.FF.W.0030.000000T0000Z-151230T2330Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
RANDOLPH NC-DAVIDSON NC-
412 PM EST WED DEC 30 2015

...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 630 PM EST FOR
RANDOLPH AND DAVIDSON COUNTIES...

AT 409 PM EST...DOPPLER RADAR INDICATED SHOWERS CONTINUE OVER
DAVIDSON AND RANDOLPH COUNTIES. LOCALLY HEAVY RAIN WAS CONFINED
TOTHE SOUTHERN HALF OF THE REGION EXTENDING FROM HIGH ROCK TO
ASHEBORO. UP TO TWO INCHES OF RAIN HAVE ALREADY FALLEN. ANY
ADDITIONAL RAINFALL WILL CONTINUE TO PRODUCE FLASH FLOODING. 

SEVERAL ROADS REMAIN CLOSED DUE TO FLOODING OR HIGH WATER. 

SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE... HIGH
POINT...LEXINGTON...RANDLEMAN...THOMASVILLE...LINWOOD...
ARCHDALE...TRINITY...MIDWAY...GORDONTOWN AND ARCADIA.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TURN AROUND...DONT DROWN WHEN ENCOUNTERING FLOODED ROADS. MOST FLOOD
DEATHS OCCUR IN VEHICLES.

&&

LAT...LON 3583 8043 3585 8039 3587 8039 3588 8042
      3589 8037 3596 8038 3597 8039 3600 8032
      3600 8022 3603 8021 3601 8005 3592 8004
      3590 7955 3588 7955 3563 8027 3568 8033
      3572 8033 3574 8046 3577 8045 3583 8049

$$

PWB
721 
WGUS72 KRAH 302313
FFSRAH

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE RALEIGH NC
613 PM EST WED DEC 30 2015

NCC057-151-302323-
/O.CAN.KRAH.FF.W.0030.000000T0000Z-151230T2330Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
RANDOLPH NC-DAVIDSON NC-
613 PM EST WED DEC 30 2015

...THE FLASH FLOOD WARNING FOR NORTHERN RANDOLPH AND
NORTHERN DAVIDSON COUNTIES IS CANCELLED...

FLOOD WATERS HAVE RECEDED...AND ARE NO LONGER EXPECTED TO POSE A
THREAT TO LIFE OR PROPERTY. PLEASE CONTINUE TO HEED ANY ROAD
CLOSURES.

LAT...LON 3583 8043 3585 8039 3587 8039 3588 8042
      3589 8037 3596 8038 3597 8039 3600 8032
      3600 8022 3603 8021 3601 8005 3592 8004
      3590 7955 3588 7955 3563 8027 3568 8033
      3572 8033 3574 8046 3577 8045 3583 8049

$$

PWB

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 Raleigh, NC wrote its last area forecast discussion before this flash flood warning went out at Dec 30, 12:57 PM EST, 37 minutes earlier.

Area forecast discussion, Dec 30, 12:57 PM EST, 37 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE RALEIGH NC
1257 AM WED DEC 30 2015

.SYNOPSIS...A COLD FRONT WILL APPROACH CENTRAL NC FROM THE WEST
TODAY... THEN CROSS THE REGION TONIGHT INTO THURSDAY. COOL AND DRY
HIGH PRESSURE WILL ARRIVE FOR THE WEEKEND.

&&

.NEAR TERM /THROUGH TONIGHT/...
AS OF 325 AM WEDNESDAY...

...A FLOOD WATCH IS IN EFFECT FOR ALL LOCATIONS EXCEPT THE COASTAL
PLAIN AND FAR SOUTHEASTERN COUNTIES UNTIL THURSDAY MORNING...

A LINGERING CAD WEDGE AIRMASS CONTINUES TO PLAGUE THE
NORTHWEST/NORTHERN PIEDMONT THIS MORNING... GENERALLY ALONG AND
NORTH OF THE I-85 CORRIDOR. THIS HAD RESULTED IN AREAS OF DENSE FOG
ACROSS THIS AREA. EXPECT WE SHOULD SEE AN IMPROVING TREND FROM WEST
TO EAST OVER THE COURSE OF THE NEXT SEVERAL HOURS... AS THE MID AND
HIGH CLOUDS INCREASE FROM THE SOUTH AND WEST... AND PRECIP
EVENTUALLY OVERSPREADS THE AREA. THUS... WILL LEAVE THE DFA AS IS
FOR NOW... WITH THE EXPECTATION THAT WE MAY BE ABLE TO CANCEL IT A
LITTLE EARLY.

THE NEXT BIG PROBLEM FOR TODAY WILL BE THE EXPECTED SHOWERS AND
EMBEDDED THUNDERSTORMS. WE HAVE ELECTED TO EXPAND THE FLOOD WATCH TO
COVER THE PIEDMONT AND SANDHILLS... WITH ONLY THE FAR EAST AND
SOUTHEAST NOT IN THE FLOOD WATCH AT THIS TIME. SEVERAL KEY
PARAMETERS POINT TO A POTENTIAL FLOODING PROBLEM TODAY... FIRST
ANOMALOUSLY HIGH PW'S FOR THIS TIME OF YEAR (PW'S INCREASING TO
AROUND 1.8 TO 1.9 INCHES... EVEN IMPRESSIVE IN SUMMERTIME). SECOND
THE SYNOPTIC SETUP OF A LINGERING WEDGE FRONT AND AN APPROACHING
COLD FRONT... WHICH IS GENERALLY PARALLEL TO THE MID/UPPER LEVEL
SOUTHWESTERLY FLOW... WHICH COULD LEAD TRAINING OF SHOWERS AND
STORMS... AND A SLOW FRONTAL PASSAGE. FINALLY... WITH SOME
INSTABILITY (UP TO 500-800 J/KG) AND A NICE UPPER JET WE COULD SEE
SOME DEEPER CONVECTION/STORMS... YIELDING HIGHER PRECIP RATES.
COMBINE THIS WITH ANTECEDENT CONDITIONS (SATURATED SOILS AND AREA
LAKES/PONDS/CREEKS/RIVERS ALREADY RUNNING HIGH OR IN FLOOD) WE HAVE
EXPANDED THE FLOOD WATCH. IN ADDITION TO THE FLOODING THREAT... WE
COULD SEE A FEW STRONG TO POTENTIALLY SEVERE STORMS. HOWEVER... WITH
MOSTLY CLOUDY TO OVERCAST SKIES EXPECTED TODAY... SURFACE
INSTABILITY MAIN BE THE LIMITING FACTOR. THE LATEST GFS IS NOW
SHOWING UP TO 800 J/KG OF SURFACE BASED CAPE ACROSS OUR FAR EAST.
GIVEN DEEP LAYER SHEAR ON THE ORDER OF 35 TO 45 KT... EXPECT WE
COULD SEE AN ISOLATED STRONG TO SEVERE STORM OR TWO.. ESPECIALLY IF
A WE DO SEE A LITTLE SUN ACROSS OUR EAST THIS AFTERNOON AND A DECENT
DIFFERENTIAL HEATING BOUNDARY SETS UP. THIS COULD RESULT IN A SMALL
RISK FOR A DAMAGING WIND GUSTS AND/OR BRIEF WEAK TORNADO.

HIGH TEMPS TODAY ARE EXPECTED TO RANGE TODAY FROM THE LOWER 60S
NORTH/NORTHWEST TO THE MID 70S SE. THE SURFACE FRONT WILL SLOWLY
SINK SOUTH AND EASTWARD THROUGH MOST OF THE AREA OVERNIGHT... WITH
THE LINGERING CHANCES FOR SHOWERS AND ISOLATED STORMS. LOW TEMPS ARE
EXPECTED TO RANGE FROM THE MID 50S NW TO THE MID 60S SE.

&&

.SHORT TERM /THURSDAY THROUGH FRIDAY NIGHT/...
AS OF 3 AM WEDNESDAY...

CONFLUENCE ALONG A MID LEVEL TROUGH COUPLED WITH A MOIST AIR MASS
WILL MAINTAIN A DECENT THREAT FOR SHOWERS FOR THE FIRST HALF OF
THURSDAY ACROSS THE EASTERN HALF OF THE CWA. EXPECT CHANCES FOR RAIN
SHOWERS TO DWINDLE THURSDAY AFTERNOON-EVENING AS THE MID LEVEL
TROUGH DRIFTS SEWD. A SERIES OF PERTURBATIONS ALOFT WILL MAINTAIN A
MARGINAL THREAT FOR SHOWERS OVER THE FAR SE COUNTIES INTO THURSDAY
NIGHT.

ANY CLEARING ACROSS THE PIEDMONT BEHIND THE FRONT EXPECTED TO BE
SLOW/GRADUAL AS MEAN FLOW REMAINS W-SW. WINDS DO NOT BEGIN TO VEER
TO A W-NW FLOW UNTIL THE PASSAGE OF THE 850-700MB FRIDAY AFTERNOON.
THUS EXPECT SKIES TO REMAIN OVERCAST OR MOSTLY CLOUDY THURSDAY INTO
FRIDAY MORNING WITH SLOW CLEARING DRIFTING SEWD FRIDAY AFTERNOON-
FRIDAY NIGHT.

AFTERNOON TEMPS WILL BEGIN TO TAKE A TUMBLE THIS PERIOD. ANOTHER
MILD DAY EXPECTED THURSDAY AFTERNOON WITH HIGHS TEMPS VARYING FROM
AROUND 60 NW TO NEAR 70 SE. A DEEPER LOW LEVEL NLY FLOW WILL ADVECT
A COOLER AIR MASS INTO THE REGION FRIDAY...RESULTING IN AFTERNOON
TEMPS 8-15 DEGREES COOLER 9THOUGH CLOSER TO SEASONAL NORMS). HIGH
TEMPS FRIDAY IN THE LOW-MID 50S.

&&

.LONG TERM /SATURDAY THROUGH TUESDAY/...
AS OF 3 AM WEDNESDAY...

TRANQUIL WEATHER PATTERN SETTING UP OVER
THE CAROLINAS THIS PERIOD. A BROAD UPPER LEVEL TROUGH ALONG THE
EASTERN SEABOARD AND A SFC HIGH PRESSURE SYSTEM INITIALLY CENTERED
OVER THE CENTRAL U.S. BUT EXTENDING EAST INTO THE MID ATLANTIC WILL
PRODUCE DRY AND SEASONABLY COOL CONDITIONS. THE SFC HIGH WILL BECOME
POSITIONED OVER NEW ENGLAND AND BUILD SWD INTO THE CAROLINAS BY EARLY
NEXT WEEK. AFTERNOON TEMPS WILL AVERAGE NEAR OR SLIGHTLY BELOW
NORMAL WHILE OVERNIGHT TEMPS WILL DROP TO AROUND FREEZING. THE DRY
AIR MASS ASSOCIATED WITH THE HIGH WILL PRODUCE FEW IF ANY CLOUDS
SATURDAY THROUGH MONDAY WITH A NOTED UPTICK IN HIGH LEVEL CIRRUS
CLOUDS EXPECTED TUESDAY.

&&

.AVIATION /18Z WEDNESDAY THROUGH SUNDAY/...
AS OF 1255 PM WEDNESDAY...

24-HOUR TAF PERIOD: A WIDESPREAD AREA OF SHOWERS AND ISOLATED
THUNDERSTORMS WILL CONTINUE TO PROGRESS THROUGH THE AREA THIS
AFT/EVE. SHOWERS SHOULD COME TO AN END FROM NW TO SE AFTER 00Z
THURSDAY. EXPECT IFR/LIFR AVIATION CONDITIONS TO CONTINUE THROUGH
MUCH OF THE 24 HOUR TAF PERIOD...WITH SOME IMPROVEMENT IN THE
TRIAD...KINT AND KGSO...THURSDAY MORNING.

LOOKING AHEAD: POOR AVIATION CONDITIONS WILL LINGER ON THURSDAY...
ESPECIALLY AT KFAY AND KRWI...AS THE COLD FRONT SLOWLY MAKES IT WAY
THROUGH THE AREA. SHOWERS COULD POSSIBLY LINGER AT KFAY UNTIL
THURSDAY EVENING OR EVEN INTO THE OVERNIGHT HOURS. DRIER WEATHER AND
VFR CONDITIONS ARE EXPECTED FOR THE WEEKEND.

&&

.RAH WATCHES/WARNINGS/ADVISORIES...
FLOOD WATCH THROUGH THURSDAY MORNING FOR NCZ073-074-083-084.

&&

SYNOPSIS...BADGETT/BSD
NEAR TERM...BSD
SHORT TERM...WSS
LONG TERM...WSS
AVIATION...KC
Hazardous weather outlook, Dec 30, 6:27 AM EST, 7 hours 7 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE RALEIGH NC
627 AM EST WED DEC 30 2015

NCZ007>010-021>026-038>042-073>077-083>086-311030-
PERSON-GRANVILLE-VANCE-WARREN-FORSYTH-GUILFORD-ALAMANCE-ORANGE-
DURHAM-FRANKLIN-DAVIDSON-RANDOLPH-CHATHAM-WAKE-JOHNSTON-STANLY-
MONTGOMERY-MOORE-LEE-HARNETT-ANSON-RICHMOND-SCOTLAND-HOKE-
627 AM EST WED DEC 30 2015

...FLOOD WATCH IN EFFECT THROUGH THURSDAY MORNING...

THIS HAZARDOUS WEATHER OUTLOOK IS FOR CENTRAL NORTH 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.

   FLOOD WATCH.

SCATTERED TO NUMEROUS SHOWERS WILL DEVELOP LATER THIS
MORNING AND CONTINUE THROUGH TONIGHT. THE SHOWERS WILL DUMP
BETWEEN ONE AND TWO INCHES OF RAIN ON AN ALREADY SATURATED TOP
SOIL. AN ISOLATED SEVERE THUNDERSTORM IS POSSIBLE THIS AFTERNOON
WITH THE PRIMARY SEVERE WEATHER HAZARD BEING DAMAGING WIND GUSTS
OR A BRIEF WEAK TORNADO.

.DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY.

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

   FLOOD WATCH.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME.

NCZ011-027-028-043-078-088-089-311030-
HALIFAX-NASH-EDGECOMBE-WILSON-WAYNE-CUMBERLAND-SAMPSON-
627 AM EST WED DEC 30 2015

THIS HAZARDOUS WEATHER OUTLOOK IS FOR CENTRAL NORTH CAROLINA.

.DAY ONE...TODAY AND TONIGHT.

SCATTERED TO NUMEROUS SHOWERS WILL DEVELOP ACROSS THE REGION LATER
TODAY AND CONTINUE INTO TONIGHT. THE SHOWERS WILL DUMP BETWEEN ONE
AND TWO INCHES OF RAIN ACROSS THIS AREA. AN ISOLATED SEVERE
THUNDERSTORM IS POSSIBLE THIS AFTERNOON THROUGH EARLY EVENING WITH
THE MAIN SEVERE WEATHER HAZARD BEING ISOLATED DAMAGING WIND GUSTS
OR A BRIEF WEAK TORNADO.

.DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY.

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME.

In the hours before

Local storm report, Dec 30, 12:35 PM EST, 59 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE RALEIGH NC
1235 PM EST WED DEC 30 2015

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

1232 PM     FLASH FLOOD      SNOW CAMP               35.87N  79.42W
12/30/2015                   ALAMANCE           NC   911 CALL CENTER

            ALAMANCE CO 911 REPORTS OF FLOODING IN SNOW CAMP. CLARK
            RD CLOSED DUE TO FLOODING.

&&

EVENT NUMBER RAH1501029

TDH
Local storm report, Dec 30, 12:46 PM EST, 48 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE RALEIGH NC
1246 PM EST WED DEC 30 2015

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

1240 PM     FLASH FLOOD      2 SSE TEER              35.92N  79.21W
12/30/2015                   ORANGE             NC   911 CALL CENTER

            ORANGE CO 911 REPORTS NUMEROUS ROAD CLOSURES IN
            SOUTHWEST ORANGE CO.

&&

EVENT NUMBER RAH1501030

TDH
Local storm report, Dec 30, 12:47 PM EST, 47 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE RALEIGH NC
1247 PM EST WED DEC 30 2015

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

1240 PM     FLASH FLOOD      CARRBORO                35.92N  79.08W
12/30/2015                   ORANGE             NC   911 CALL CENTER

            ORANGE CO 911 REPORTS FLOODED HOME IN CARRBORO.

&&

EVENT NUMBER RAH1501031

TDH
Local storm report, Dec 30, 1:15 PM EST, 19 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE RALEIGH NC
115 PM EST WED DEC 30 2015

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

0109 PM     FLASH FLOOD      DURHAM                  35.98N  78.92W
12/30/2015                   DURHAM             NC   911 CALL CENTER

            DURHAM CO REPORTS THAT HIGH WATER SIGNS HAVE BEEN
            DEPLOYED TO NUMEROUS ROADS ACROSS DURHAM EXPERIENCING
            HIGH WATER CONDITIONS.

&&

EVENT NUMBER RAH1501032

TDH
Local storm report, Dec 30, 1:22 PM EST, 12 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE RALEIGH NC
122 PM EST WED DEC 30 2015

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

1230 PM     FLASH FLOOD      1 SW DURHAM             35.97N  78.92W
12/30/2015                   DURHAM             NC   PUBLIC

            PUBLIC REPORT OF FLOODING OCCURRING AT NANAS RESTAURANT
            IN DURHAM. UNIVERSITY DR IN DURHAM IS ALSO FLOODED.

&&

EVENT NUMBER RAH1501033

TDH
Special weather statement, Dec 30, 1:28 PM EST, 6 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE RALEIGH NC
128 PM EST WED DEC 30 2015

NCZ083-084-301930-
RICHMOND NC-ANSON NC-
128 PM EST WED DEC 30 2015

 ...A STRONG THUNDERSTORM WILL AFFECT PORTIONS OF RICHMOND AND ANSON
COUNTIES UNTIL 230 PM EST...

AT 127 PM EST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STRONG THUNDERSTORM OVER PAGELAND...OR 17 MILES SOUTHEAST OF
MONROE...MOVING NORTHEAST AT 50 MPH.

WIND GUSTS UP TO 40 MPH WILL BE POSSIBLE WITH THIS STORM.

DEADLY CLOUD TO GROUND LIGHTNING WILL ALSO BE POSSIBLE WITH THIS
STORM.

LOCATIONS IMPACTED INCLUDE...
ROCKINGHAM...WADESBORO...HAMLET...ANSONVILLE...HOFFMAN...POLKTON...
ELLERBE...DOBBINS HEIGHTS...LILESVILLE AND MORVEN.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

DOPPLER RADAR HAS INDICATED WEAK ROTATION WITH THIS STORM. IF THE
STORM INTENSIFIES AND ROTATION STRENGTHENS...A WARNING MAY NEED TO BE
ISSUED.

&&

LAT...LON 3518 8028 3521 8026 3516 8022 3517 8020
      3515 8016 3517 8016 3519 8012 3514 8007
      3514 8002 3518 7985 3517 7962 3512 7957
      3507 7958 3504 7946 3499 7957 3494 7959
      3491 7956 3481 7965 3480 7969 3482 8032
TIME...MOT...LOC 1827Z 237DEG 43KT 3478 8036

10

The office that day

Everything else NWS Raleigh, NC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Dec 29, 10:11 PM ESTDense Fog AdvisoryRAHAlamance, Davidson, Durham, Forsyth, Granville, Guilford and 5 more8 hr
Dec 30, 8:15 AM ESTSpecial Weather StatementRAHSampson30 min
Dec 30, 9:29 AM ESTSpecial Weather StatementRAHAlamance, Guilford, Orange61 min
Dec 30, 10:56 AM ESTSpecial Weather StatementRAHRandolph64 min
Dec 30, 11:13 AM ESTFlash Flood WarningRAHDavidson, Randolph4 hr
Dec 30, 11:33 AM ESTFlash Flood WarningRAHAlamance, Chatham, Orange4 hr
Dec 30, 11:54 AM ESTFlash Flood WarningRAHDurham, Franklin, Granville, Vance, Wake6 hr
Dec 30, 11:58 AM ESTAreal Flood AdvisoryRAHForsyth3 hr
Dec 30, 12:28 PM ESTSpecial Weather StatementRAHFranklin, Nash, Warren62 min
Dec 30, 12:42 PM ESTSevere Thunderstorm WarningRAHFranklin, Nash36 min
Dec 30, 12:47 PM ESTAreal Flood AdvisoryRAHGuilford3 hr
Dec 30, 1:28 PM ESTSpecial Weather StatementRAHAnson, Richmond62 min
Dec 30, 1:36 PM ESTSpecial Weather StatementRAHHalifax24 min
Dec 30, 1:48 PM ESTFlash Flood WarningRAHAnson, Montgomery, Moore, Randolph, Richmond, Stanly5 hr
Dec 30, 2:09 PM ESTFlash Flood WarningRAHChatham, Lee, Moore5 hr
Dec 30, 2:41 PM ESTSpecial Weather StatementRAHScotland49 min
Dec 30, 3:17 PM ESTFlash Flood WarningRAHDavidson, Randolph3 hr
Dec 30, 3:28 PM ESTFlash Flood WarningRAHAlamance, Chatham, Orange3 hr
Dec 30, 3:35 PM ESTFlash Flood WarningRAHJohnston, Wake3 hr
Dec 30, 3:38 PM ESTRiver Flood WarningRAHChatham42 hr
Dec 30, 3:43 PM ESTSevere Thunderstorm WarningRAHSampson31 min
Dec 30, 4:22 PM ESTAreal Flood AdvisoryRAHCumberland, Edgecombe, Halifax, Harnett, Hoke, Nash and 5 more3 hr
Dec 30, 5:55 PM ESTRiver Flood WarningRAHJohnston5 days
Dec 30, 6:50 PM ESTRiver Flood WarningRAHAnson, Stanly34 hr

Nearby

Flash Flood Warnings in North Carolina, 2015Every flash flood warning in 2015

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.